09-RB05_Numpy-Testing.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "name": "09-RB05_Numpy-Testing.ipynb",
      "provenance": [],
      "collapsed_sections": [],
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "language_info": {
      "name": "python"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/github/prissyyy/Studi-Independen/blob/main/09-RB05_Numpy-Testing.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "Tk1EjKRwvpMD"
      },
      "source": [
        "Rabu, 22 Sept 2021"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "OsrL4DDnsXet"
      },
      "source": [
        "#**NumPy**\n",
        "\n",
        "The NumPy library is the core library for scientific computing in Python. It provides a high-performance multidimensional array object, and tools for working with these arrays. *(Pustaka NumPy adalah pustaka inti untuk komputasi ilmiah dengan Python. Ini menyediakan objek array multidimensi berkinerja tinggi, dan alat untuk bekerja dengan array ini)*"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "o5uuDGr3sXe0"
      },
      "source": [
        "## Creating Arrays"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "CpCv_BY1sXe2"
      },
      "source": [
        "# Import Library NumPy\n",
        "import numpy as np\n",
        "\n",
        "# Contoh Membuat Array\n",
        "a = np.array([1,2,3])\n",
        "b = np.array([(1.5,2,3), (4,5,6)], dtype = float)\n",
        "c = np.array([[(1.5,2,3), (4,5,6)], [(3,2,1), (4,5,6)]], dtype = float)"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "ltSlc4F6sXe4",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "d7679c63-16d3-41fa-cb53-20e1548c6066"
      },
      "source": [
        "# Menampilkan Array a\n",
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 7
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "-DqwT4pysXe7",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "fe2aac38-b339-4472-c77c-6c005821f120"
      },
      "source": [
        "# Menampilkan Array b\n",
        "b"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.5, 2. , 3. ],\n",
              "       [4. , 5. , 6. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 8
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "u52vys8xsXe8",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "9dc0cbd9-5ad2-4086-8da6-115e60355220"
      },
      "source": [
        "# Menampilkan Array c\n",
        "c"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[[1.5, 2. , 3. ],\n",
              "        [4. , 5. , 6. ]],\n",
              "\n",
              "       [[3. , 2. , 1. ],\n",
              "        [4. , 5. , 6. ]]])"
            ]
          },
          "metadata": {},
          "execution_count": 9
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "uBCrp4qqsXe8"
      },
      "source": [
        "### **Initial Placeholders**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "wUiUZOCJsXe9",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "28ca9b5d-7755-4206-ebfe-6b649879871a"
      },
      "source": [
        "# Create an array of zeros\n",
        "np.zeros((2,1,2,3,5))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[[[[0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.]],\n",
              "\n",
              "         [[0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.]]]],\n",
              "\n",
              "\n",
              "\n",
              "       [[[[0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.]],\n",
              "\n",
              "         [[0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.],\n",
              "          [0., 0., 0., 0., 0.]]]]])"
            ]
          },
          "metadata": {},
          "execution_count": 10
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "sURipbhXjHTC",
        "outputId": "06b923e1-1153-4c18-a4ce-6cdc14f498fa"
      },
      "source": [
        "# Create an array of zeros\n",
        "np.zeros((3,1,3,5))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[[[0., 0., 0., 0., 0.],\n",
              "         [0., 0., 0., 0., 0.],\n",
              "         [0., 0., 0., 0., 0.]]],\n",
              "\n",
              "\n",
              "       [[[0., 0., 0., 0., 0.],\n",
              "         [0., 0., 0., 0., 0.],\n",
              "         [0., 0., 0., 0., 0.]]],\n",
              "\n",
              "\n",
              "       [[[0., 0., 0., 0., 0.],\n",
              "         [0., 0., 0., 0., 0.],\n",
              "         [0., 0., 0., 0., 0.]]]])"
            ]
          },
          "metadata": {},
          "execution_count": 105
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "iReqoganZmzO",
        "outputId": "eaf00727-5501-4971-fa02-c04e89e4a7b4"
      },
      "source": [
        "# Create an array of zeros\n",
        "np.zeros((2,3,5))           #2=jumlah matriks, 3=jml baris, 5=jml kolom "
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[[0., 0., 0., 0., 0.],\n",
              "        [0., 0., 0., 0., 0.],\n",
              "        [0., 0., 0., 0., 0.]],\n",
              "\n",
              "       [[0., 0., 0., 0., 0.],\n",
              "        [0., 0., 0., 0., 0.],\n",
              "        [0., 0., 0., 0., 0.]]])"
            ]
          },
          "metadata": {},
          "execution_count": 11
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Fou7n_UtsXe_",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "b94991d5-9737-4c64-ecf3-0928b8ad2204"
      },
      "source": [
        "# Create an array of ones\n",
        "np.ones((2,3,4),dtype=np.int16)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[[1, 1, 1, 1],\n",
              "        [1, 1, 1, 1],\n",
              "        [1, 1, 1, 1]],\n",
              "\n",
              "       [[1, 1, 1, 1],\n",
              "        [1, 1, 1, 1],\n",
              "        [1, 1, 1, 1]]], dtype=int16)"
            ]
          },
          "metadata": {},
          "execution_count": 12
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "1GXbXDCCeC1f",
        "outputId": "6d6da3ee-3b9b-4fee-f96d-3ac1faad4b83"
      },
      "source": [
        "np.eye(3,3)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1., 0., 0.],\n",
              "       [0., 1., 0.],\n",
              "       [0., 0., 1.]])"
            ]
          },
          "metadata": {},
          "execution_count": 13
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "BzZtFU8WsXfB",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "cbb6b390-576f-4938-82fe-15435f07f8fa"
      },
      "source": [
        "# Create an array of evenly spaced values (step value)\n",
        "d = np.arange(10,25,5)       #start,end,step\n",
        "d"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([10, 15, 20])"
            ]
          },
          "metadata": {},
          "execution_count": 14
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "-UpH-3dSaG5g",
        "outputId": "42312f04-9ecd-4e34-fd70-150fc8c07bec"
      },
      "source": [
        "d = np.arange(10,95,4)       #start,end,step\n",
        "d"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74,\n",
              "       78, 82, 86, 90, 94])"
            ]
          },
          "metadata": {},
          "execution_count": 15
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "-3xlgc-MsXfD",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "a5daf5f8-8e20-464c-eadf-cc98bb585128"
      },
      "source": [
        "# Create an array of evenly spaced values (number of samples)\n",
        "np.linspace(0,2,9)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([0.  , 0.25, 0.5 , 0.75, 1.  , 1.25, 1.5 , 1.75, 2.  ])"
            ]
          },
          "metadata": {},
          "execution_count": 16
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "NRx_PBvssXfF",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "a8d889c2-d777-4d8b-c440-cd88466d31c6"
      },
      "source": [
        "# Create a constant array\n",
        "e = np.full((2,2),7)\n",
        "e"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[7, 7],\n",
              "       [7, 7]])"
            ]
          },
          "metadata": {},
          "execution_count": 17
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "CdQdmJ9QsXfG",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "500d5bae-fe35-409a-d1e4-1fd3420bc81d"
      },
      "source": [
        "# Create a 2X2 identity matrix\n",
        "f = np.eye(2)\n",
        "f"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1., 0.],\n",
              "       [0., 1.]])"
            ]
          },
          "metadata": {},
          "execution_count": 18
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Pazodo1TsXfI",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "bd52d53b-841b-4c95-a759-694c629a95bb"
      },
      "source": [
        "# Create an array with random values\n",
        "np.random.random((2,2))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[0.09674418, 0.62055734],\n",
              "       [0.01577601, 0.619593  ]])"
            ]
          },
          "metadata": {},
          "execution_count": 19
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "YAXZu66UsXfK",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "21039f36-58da-471d-d614-f8aa99b0a8cc"
      },
      "source": [
        "# Create an empty array\n",
        "np.empty((3,2))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.5, 2. ],\n",
              "       [3. , 4. ],\n",
              "       [5. , 6. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 20
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "cxKO4BrYsXfL"
      },
      "source": [
        "# **Input Output**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "8BMfhvv-sXfM"
      },
      "source": [
        "### Saving & Loading On Disk"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "qPZklA6NsXfM"
      },
      "source": [
        "# np.save('my_array', a)\n",
        "# np.savez('array.npz', a, b)\n",
        "# np.load('my_array.npy')"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "cEiCJM-DsXfN"
      },
      "source": [
        "# np.loadtxt(\"myfile.txt\")\n",
        "# np.genfromtxt(\"my_file.csv\", delimiter=',')\n",
        "# np.savetxt(\"myarray.txt\", a, delimiter=\" \")"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "uv0Ye4HosXfO"
      },
      "source": [
        "# **Data Types**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "pFFFXo_tsXfP",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "993ebe4d-6df0-4f6f-c8d5-34ce57b01715"
      },
      "source": [
        "# Signed 64-bit integer types\n",
        "np.int64"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "numpy.int64"
            ]
          },
          "metadata": {},
          "execution_count": 23
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "nSX98S3osXfQ",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "8f3c018f-eafd-4614-9ee2-fc245d965b04"
      },
      "source": [
        "# Standard double-precision floating point\n",
        "np.float32"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "numpy.float32"
            ]
          },
          "metadata": {},
          "execution_count": 24
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "8AnsriyJsXfQ",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "4c0a57ea-56fd-4f85-d890-d289293b0552"
      },
      "source": [
        "# Complex numbers represented by 128 floats\n",
        "np.complex"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "complex"
            ]
          },
          "metadata": {},
          "execution_count": 25
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "oY5ftp0SsXfR",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "82136a0e-3b99-4647-8b42-3d44a5ed2e85"
      },
      "source": [
        "# Boolean type storing TRUE and FALSE values\n",
        "np.bool"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "bool"
            ]
          },
          "metadata": {},
          "execution_count": 26
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "dtlVvXWusXfR",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "29195689-aad7-460b-93d6-b2893fa1d0c4"
      },
      "source": [
        "# Python object type\n",
        "np.object"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "object"
            ]
          },
          "metadata": {},
          "execution_count": 27
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "_60WJw1nsXfR",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "d4f58c21-18ac-4707-f6ae-feb7c4d8564a"
      },
      "source": [
        "# Fixed-length string type\n",
        "np.string_"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "numpy.bytes_"
            ]
          },
          "metadata": {},
          "execution_count": 28
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "L3OS49w1sXfS",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "762ce771-ca6b-47cf-e93a-fc5a8744a04d"
      },
      "source": [
        "# Fixed-length unicode type\n",
        "np.unicode_"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "numpy.str_"
            ]
          },
          "metadata": {},
          "execution_count": 29
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "YHAybfgCsXfS"
      },
      "source": [
        "# **Inspecting Your Array** "
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "MrIzecU7sXfS",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "3b6c9d44-c0d6-4f47-edff-77ef910262e1"
      },
      "source": [
        "# Array dimensions\n",
        "a.shape"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "(3,)"
            ]
          },
          "metadata": {},
          "execution_count": 30
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "NnDuRgZDsXfT",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "454b0317-3831-499d-e663-d8196b149237"
      },
      "source": [
        "# Length of array\n",
        "len(a)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {},
          "execution_count": 31
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "ClPcfujusXfT",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "c19121da-fcef-4c6d-eacd-e280e3d921a9"
      },
      "source": [
        "# Number of array dimensions\n",
        "b.ndim"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "2"
            ]
          },
          "metadata": {},
          "execution_count": 32
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "EG7raI5NsXfT",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "df6d1544-2e72-4b67-f9a8-4343fe3f7c89"
      },
      "source": [
        "# Number of array elements\n",
        "e.size"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "4"
            ]
          },
          "metadata": {},
          "execution_count": 33
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "qxEsVp9ssXfT",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "8865bfc5-e656-4aac-acf0-e31a028804dd"
      },
      "source": [
        "# Data type of array elements\n",
        "b.dtype"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "dtype('float64')"
            ]
          },
          "metadata": {},
          "execution_count": 34
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "B_LIh-0isXfU",
        "colab": {
          "base_uri": "https://localhost:8080/",
          "height": 35
        },
        "outputId": "cd0f51b2-3f6e-4eff-d316-33ae6579fbf7"
      },
      "source": [
        "# Name of data type\n",
        "b.dtype.name"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "application/vnd.google.colaboratory.intrinsic+json": {
              "type": "string"
            },
            "text/plain": [
              "'float64'"
            ]
          },
          "metadata": {},
          "execution_count": 35
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Geejui8TsXfU",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e1ad778e-1d2a-4ad7-8ea7-1606024fc777"
      },
      "source": [
        "# Convert an array to a different type\n",
        "b.astype(int)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1, 2, 3],\n",
              "       [4, 5, 6]])"
            ]
          },
          "metadata": {},
          "execution_count": 36
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "n3Rgmf1NsXfU"
      },
      "source": [
        "# **Array Mathematics**\n",
        "## Arithmetic Operations"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "GvxDvjehsXfV"
      },
      "source": [
        "### Subtraction"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "ywJgEJHKsXfV",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e99ad814-99fe-4c24-ae1c-4a138e5008ab"
      },
      "source": [
        "# Pengurangan Array - a-b\n",
        "g = a - b\n",
        "g"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[-0.5,  0. ,  0. ],\n",
              "       [-3. , -3. , -3. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 37
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "pebqkROWsXfV",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "0e18755d-5cd0-49b3-e37b-531c957290bc"
      },
      "source": [
        "# Pengurangan Array - a-b\n",
        "np.subtract(a,b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[-0.5,  0. ,  0. ],\n",
              "       [-3. , -3. , -3. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 38
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "ehcBOP9bsXfW"
      },
      "source": [
        "### Addition"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "uavp2SeOsXfW",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "ff61359e-26ca-4bc1-c3a9-8bdd262830f6"
      },
      "source": [
        "# Penjumlahan Array - b+a\n",
        "b + a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[2.5, 4. , 6. ],\n",
              "       [5. , 7. , 9. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 39
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "EUOUQsklsXfW",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "790f0ae4-e5d5-40ae-de47-79f557af9574"
      },
      "source": [
        "# Penjumlahan Array - b+a\n",
        "np.add(b,a)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[2.5, 4. , 6. ],\n",
              "       [5. , 7. , 9. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 40
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "AkyEI85ksXfW"
      },
      "source": [
        "### Division"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "baoTvhX_sXfW",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "aa87ef04-d3bd-455b-f5cf-cd64c6ea074c"
      },
      "source": [
        "# Pembagian Array - a/b\n",
        "a / b"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[0.66666667, 1.        , 1.        ],\n",
              "       [0.25      , 0.4       , 0.5       ]])"
            ]
          },
          "metadata": {},
          "execution_count": 41
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Bu1k0cTmsXfX",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "8c95f377-79e1-454e-c5fa-955e1d1eb364"
      },
      "source": [
        "# Pembagian Array - a/b\n",
        "np.divide(a,b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[0.66666667, 1.        , 1.        ],\n",
              "       [0.25      , 0.4       , 0.5       ]])"
            ]
          },
          "metadata": {},
          "execution_count": 42
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "Kol10r-osXfX"
      },
      "source": [
        "### Multiplication"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "-4quJB5WsXfX",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "7cc50593-66a4-443d-8579-450a4890a499"
      },
      "source": [
        "# Perkalian Array - a*b\n",
        "a * b"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[ 1.5,  4. ,  9. ],\n",
              "       [ 4. , 10. , 18. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 43
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "NaAwfA7xsXfY",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e4fe60d6-83b8-4c5d-d251-f8f19148a868"
      },
      "source": [
        "# Perkalian Array - a*b\n",
        "np.multiply(a,b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[ 1.5,  4. ,  9. ],\n",
              "       [ 4. , 10. , 18. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 44
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "ZVnL95OOsXfY"
      },
      "source": [
        "### Exponentiation"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "OJn5FO9wsXfY",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "5acb6296-5a7a-4849-a57d-ad51ee0efd9a"
      },
      "source": [
        "# Fungsi eksponensial pada array b\n",
        "np.exp(b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[  4.48168907,   7.3890561 ,  20.08553692],\n",
              "       [ 54.59815003, 148.4131591 , 403.42879349]])"
            ]
          },
          "metadata": {},
          "execution_count": 45
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "5vpVImUnsXfY"
      },
      "source": [
        "### Square root"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Jt2DpiztsXfZ",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "9a5da4e1-4c23-4db8-c3c5-035a9487c544"
      },
      "source": [
        "# Fungsi akar pada array b\n",
        "np.sqrt(b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.22474487, 1.41421356, 1.73205081],\n",
              "       [2.        , 2.23606798, 2.44948974]])"
            ]
          },
          "metadata": {},
          "execution_count": 46
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "pJX3WY_psXfZ"
      },
      "source": [
        "### Print sines of an array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "h5q--5-wsXfZ",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "b6982d23-a578-4053-a750-c0fc6058df95"
      },
      "source": [
        "# Nilai Sinus pada array a\n",
        "np.sin(a)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([0.84147098, 0.90929743, 0.14112001])"
            ]
          },
          "metadata": {},
          "execution_count": 47
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "lLPJfi4ssXfa"
      },
      "source": [
        "### Element-wise cosine "
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "woOBPZ1-sXfa",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "91688712-10ef-417e-d716-a4b3f19a19d5"
      },
      "source": [
        "# Nilai Cosinus pada array b\n",
        "np.cos(b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[ 0.0707372 , -0.41614684, -0.9899925 ],\n",
              "       [-0.65364362,  0.28366219,  0.96017029]])"
            ]
          },
          "metadata": {},
          "execution_count": 48
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "BRJPEnx2sXfa"
      },
      "source": [
        "### Element-wise natural logarithm"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "CWWscCvLsXfb",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "cffa5abb-ea8e-4bf3-f931-c65302aa8797"
      },
      "source": [
        "# Nilai logaritma pada array a\n",
        "np.log(a)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([0.        , 0.69314718, 1.09861229])"
            ]
          },
          "metadata": {},
          "execution_count": 49
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "Xlq3z_SHsXfb"
      },
      "source": [
        "### Dot product"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "7o5eOIcQsXfh",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "bb799a5b-6128-4d4b-d8c7-58ad24184c18"
      },
      "source": [
        "# Perkalian Titik pada array f #array f ada dibagian Initial Placeholders\n",
        "e.dot(f)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[7., 7.],\n",
              "       [7., 7.]])"
            ]
          },
          "metadata": {},
          "execution_count": 50
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "wFbDy13TsXfi"
      },
      "source": [
        "## **Comparison**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "GOulWFo2sXfi"
      },
      "source": [
        "### Element-wise comparison"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "x5HBUsrUsXfj",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "c52a1545-a5ff-4aa3-ed79-91efccd95571"
      },
      "source": [
        "# Perbandingan elemen array a==b \n",
        "a == b"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[False,  True,  True],\n",
              "       [False, False, False]])"
            ]
          },
          "metadata": {},
          "execution_count": 51
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "rastV-HtsXfj",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "bd8378a8-90dc-4b1f-91cb-3343692d8b52"
      },
      "source": [
        "# Perbandingan elemen array a<2\n",
        "a < 2"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([ True, False, False])"
            ]
          },
          "metadata": {},
          "execution_count": 52
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "VlnWPKVnsXfk"
      },
      "source": [
        "### Array-wise comparison"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "hjDq_SOIsXfk",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "b87f504b-8db9-4d5c-b8d0-f8dd3617ff78"
      },
      "source": [
        "# Perbandingan array a,b\n",
        "np.array_equal(a, b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "False"
            ]
          },
          "metadata": {},
          "execution_count": 53
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "fDW0MhWrsXfl"
      },
      "source": [
        "## **Aggregate Functions**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "Ga0tHa8FsXfl"
      },
      "source": [
        "### Array-wise sum"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "WSH_EiMNsXfl",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "ffd5bc13-ffd9-46b5-cece-35fe66356f23"
      },
      "source": [
        "# Agregasi nilai total array a\n",
        "a.sum()"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "6"
            ]
          },
          "metadata": {},
          "execution_count": 54
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "z0rOqTdCsXfm"
      },
      "source": [
        "### Array-wise minimum value"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "nRS4799wsXfm",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "4ee1a83c-3f61-4526-babe-1319183caa48"
      },
      "source": [
        "# Agregasi nilai minimal array a\n",
        "a.min()"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "1"
            ]
          },
          "metadata": {},
          "execution_count": 55
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "m5eiZmzfsXfm"
      },
      "source": [
        "### Maximum value of an array row"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "q6XkpKoPsXfn",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "561051db-c600-48b9-f4eb-16af7ca52388"
      },
      "source": [
        "# Agregasi nilai maksimal array b\n",
        "b.max(axis=0)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([4., 5., 6.])"
            ]
          },
          "metadata": {},
          "execution_count": 56
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "4pPPFvTPsXfn"
      },
      "source": [
        "### Cumulative sum of the elements"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "I9iWLb3RsXfo",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "3044de38-1aa2-4d51-b3de-4094fc9daf6e"
      },
      "source": [
        "# Nilai kumulatif pada array b\n",
        "b.cumsum(axis=1)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[ 1.5,  3.5,  6.5],\n",
              "       [ 4. ,  9. , 15. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 57
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "ww7suH0CsXfo"
      },
      "source": [
        "### Mean"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "AV2eoCwHsXfo",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "68d30b7c-9e69-4957-8b6c-bbbbc0e5461a"
      },
      "source": [
        "# Nilai Mean array a\n",
        "a.mean()"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "2.0"
            ]
          },
          "metadata": {},
          "execution_count": 58
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "6W7cvChWsXfp"
      },
      "source": [
        "### Median "
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "_9yqhoXusXfp",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "6943ded3-1335-4fdf-e5a9-eb41326ddd25"
      },
      "source": [
        "# Nilai Median array b\n",
        "np.median(b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3.5"
            ]
          },
          "metadata": {},
          "execution_count": 59
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "9oCKYAf1sXfq"
      },
      "source": [
        "### Correlation coefficient"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "gpK0oFyKsXfq",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "3297a0b4-fe4a-4812-edf4-9b7e7489795c"
      },
      "source": [
        "# Nilai korelasi koefisien array a\n",
        "np.corrcoef(a)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "1.0"
            ]
          },
          "metadata": {},
          "execution_count": 60
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "RRVfnzjrsXfq"
      },
      "source": [
        "### Standard deviation"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "vSNrmX-1sXfr",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "98425ded-da6c-47ab-fd00-9e0a0d3101fa"
      },
      "source": [
        "# Nilai standar defiasi array b\n",
        "np.std(b)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "1.5920810978785667"
            ]
          },
          "metadata": {},
          "execution_count": 61
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "KLrk2t8osXfr"
      },
      "source": [
        "# **Copying Arrays**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "NvyzG5_isXfr"
      },
      "source": [
        "### Create a view of the array with the same data"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "U9hvdixasXfs",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "249739f3-7438-49a8-8ad5-3f0fae68f441"
      },
      "source": [
        "# Melihat isi array a\n",
        "h = a.view()\n",
        "h"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 62
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "8aqmEqA_sXfs"
      },
      "source": [
        "### Create a copy of the array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "t0MpbWLlsXft",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "73d147cf-9251-4e7b-c199-c085f738c5ab"
      },
      "source": [
        "# Copy array a\n",
        "np.copy(a)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 63
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "vjDPekhcsXft"
      },
      "source": [
        "### Create a deep copy of the array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "yjMxtm67sXft",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "dabb612a-cd69-421a-92f1-9854148b7ec4"
      },
      "source": [
        "# Deef copy array a\n",
        "h = a.copy()\n",
        "h"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 64
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "RIZz0ZW8sXfu"
      },
      "source": [
        "# **Sorting Arrays**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "huVZNc0ZsXfu"
      },
      "source": [
        "### Sort an array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "7CluyJD5sXfu",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e0ad52e2-5c8b-4980-b77f-1b619b9efa3b"
      },
      "source": [
        "# Mengurutkan array a\n",
        "a.sort()\n",
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 65
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "5Y4m6L6EsXfv"
      },
      "source": [
        "### Sort the elements of an array's axis"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "-gHWPbsdsXfv",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "24c6ad4d-f92d-4485-9962-e4fad64ef3f4"
      },
      "source": [
        "# Mengurutkan array c\n",
        "c.sort(axis=0)\n",
        "c"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[[1.5, 2. , 1. ],\n",
              "        [4. , 5. , 6. ]],\n",
              "\n",
              "       [[3. , 2. , 3. ],\n",
              "        [4. , 5. , 6. ]]])"
            ]
          },
          "metadata": {},
          "execution_count": 66
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "wVO9P3rusXfw"
      },
      "source": [
        "# **Subsetting, Slicing, Indexing**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "hKQPVLBgsXfw"
      },
      "source": [
        "## Subsetting"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "nkos5wdQsXfw"
      },
      "source": [
        "### Select the element at the 2nd index"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "sdoMbzHHsXfx",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "4cb5b751-65d3-44e9-8ba0-e849b1bbdccc"
      },
      "source": [
        "# Mengambil nilai index ke 2 pada elemen array a\n",
        "a[2]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "3"
            ]
          },
          "metadata": {},
          "execution_count": 67
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "7Y4O8SnUsXfx"
      },
      "source": [
        "### Select the element at row 1 column 2 (equivalent to b[1][2])\n"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "CR8r0zJ4sXfy",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "33110e68-5412-4573-c630-6475c68afc16"
      },
      "source": [
        "# Mengambil nilai baris ke 1 kolom ke 2 pada elemen array a\n",
        "b[1,2]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "6.0"
            ]
          },
          "metadata": {},
          "execution_count": 68
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "drLOEvRpsXfy"
      },
      "source": [
        "## **Slicing**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "hlgx2dUjsXfy"
      },
      "source": [
        "### Select items at index 0 and 1"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "JxCTlCQosXf1",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "43cf746a-9b93-4b22-8266-63ad9bd387fa"
      },
      "source": [
        "# Mengambil nilai index ke 0 - 1 pada elemen array a\n",
        "a[0:2]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2])"
            ]
          },
          "metadata": {},
          "execution_count": 69
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "zyMN1FMgsXf1"
      },
      "source": [
        "### Select items at rows 0 and 1 in column 1"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "WKYGyK50sXf2",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "85b2a038-2d1c-40ea-a6d5-84a5fe335923"
      },
      "source": [
        "# Mengambil nilai index ke 0 - 1 kolom ke 1 pada elemen array b\n",
        "b[0:2,1] "
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([2., 5.])"
            ]
          },
          "metadata": {},
          "execution_count": 70
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "rPfu4GJIsXf2"
      },
      "source": [
        "### Select all items at row 0 (equivalent to b[0:1, :])"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "TcJjYluksXf3",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "ff570c76-d65e-47e4-8303-ccf3f5f68025"
      },
      "source": [
        "# Mengambil semua nilai baris ke 0 pada elemen array b\n",
        "b[:1]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.5, 2. , 3. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 71
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "apfYFg4jsXf3"
      },
      "source": [
        "### Same as [1,:,:]"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "rr2tgnZdsXf3",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "330684b9-8c23-4da0-8264-0b5db2f139e1"
      },
      "source": [
        "# Mengambil semua nilai baris ke 1 pada elemen array c\n",
        "c[1,...]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[3., 2., 3.],\n",
              "       [4., 5., 6.]])"
            ]
          },
          "metadata": {},
          "execution_count": 72
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "2dkMqyFVsXf4"
      },
      "source": [
        "### Reversed array a "
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "8c3KPD8TsXf4",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "92b1d4cc-7bce-43b7-e525-aea207139bd0"
      },
      "source": [
        "# Mengambil nilai pada elemen array a secara terbalik\n",
        "a[ : :-1]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([3, 2, 1])"
            ]
          },
          "metadata": {},
          "execution_count": 73
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "JoqTrBTSsXf5"
      },
      "source": [
        "# **Array Manipulation**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "7RNzpi_KsXf5"
      },
      "source": [
        "## *Transposing Array*"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "UDQZAnwbsXf5"
      },
      "source": [
        "#### **Permute array dimensions**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "A10Tf4I_sXf6"
      },
      "source": [
        "# Transpose array b\n",
        "i = np.transpose(b)"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "9jtPsDKlsXf6",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "6f12f6ed-05a0-4f32-bc5d-6c521e65b7d4"
      },
      "source": [
        "i.T"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.5, 2. , 3. ],\n",
              "       [4. , 5. , 6. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 75
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "cW5VXqInsXf6"
      },
      "source": [
        "##  *Changing Array Shape*"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "tk9tOHi0sXf7"
      },
      "source": [
        "#### **Flatten the array**"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "YF3WtMPWsXf7",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "8997d460-149b-43e9-85a8-a98b14bf9804"
      },
      "source": [
        "b"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.5, 2. , 3. ],\n",
              "       [4. , 5. , 6. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 76
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "_o860hBEsXf8",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "6e18333e-7cd9-46e2-f9a0-2a54480db961"
      },
      "source": [
        "# Meratakan array b menjadi satu dimensi\n",
        "b.ravel()"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1.5, 2. , 3. , 4. , 5. , 6. ])"
            ]
          },
          "metadata": {},
          "execution_count": 77
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "s-1r6us6sXf8"
      },
      "source": [
        "### Reshape, but don’t change data"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "soiD6MeYsXf8",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "c8b8cba4-5719-4e89-dc06-fbd0eec39bc6"
      },
      "source": [
        "g"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[-0.5,  0. ,  0. ],\n",
              "       [-3. , -3. , -3. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 78
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "RCHtLLXpsXf9",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "da09e587-7238-4b5a-9e78-e5eb3bab715b"
      },
      "source": [
        "# Mengubah array g menjadi 2 dimensi\n",
        "g.reshape(3,-2)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[-0.5,  0. ],\n",
              "       [ 0. , -3. ],\n",
              "       [-3. , -3. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 79
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "DH1aBOkjsXf9"
      },
      "source": [
        "## *Adding/Removing Elements*"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "Qz39qsJqsXf9"
      },
      "source": [
        "### Return a new array with shape (2,6) "
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "lxYizlsEsXf-",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "410b7e2a-3cd3-49de-f0bd-4ea627098688"
      },
      "source": [
        "h"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 80
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "scrolled": true,
        "id": "rVNC8KmAsXf-",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "14a8d9b4-e7a8-4f32-9fa2-028f3de32f39"
      },
      "source": [
        "# Menambah jumlah elemen array\n",
        "np.resize(h, (2,6))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1, 2, 3, 1, 2, 3],\n",
              "       [1, 2, 3, 1, 2, 3]])"
            ]
          },
          "metadata": {},
          "execution_count": 81
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "xs6tA9cusXf-"
      },
      "source": [
        "### Append items to an array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "8eCV7tRZsXf_",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "0c403d47-8164-4f2a-d1bf-c4b8f96c2a4d"
      },
      "source": [
        "h"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 82
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "4AAtuI2tsXf_",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e4ffd534-bdc7-44f9-8932-abbdd7952557"
      },
      "source": [
        "g"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[-0.5,  0. ,  0. ],\n",
              "       [-3. , -3. , -3. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 83
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "KGTzqLtLsXf_",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "d54c94e4-27e3-4a37-e6c7-c8819f400be6"
      },
      "source": [
        "# Menambahkan elemen array h dengan array g \n",
        "np.append(h,g)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([ 1. ,  2. ,  3. , -0.5,  0. ,  0. , -3. , -3. , -3. ])"
            ]
          },
          "metadata": {},
          "execution_count": 84
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "1WwvFYnJsXgA"
      },
      "source": [
        "### Insert items in an array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "JNmsYUjAsXgA",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "92a6bc68-6c43-4aa3-f70d-ef61340d884a"
      },
      "source": [
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 85
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "xtYH69x8sXgA",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "14cd3a63-38b0-47e0-b1ab-b7e118ce763a"
      },
      "source": [
        "# Memasukkan nilai 5 index ke 1 dalam array a\n",
        "np.insert(a, 1, 5)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 5, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 86
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "8vPo_C93sXgA"
      },
      "source": [
        "### Delete items from an array"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "zxbUSoEUsXgB",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "6231bfb1-23e6-4fb1-8a21-b4d75e085f8e"
      },
      "source": [
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 87
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "--E6RLSgsXgB",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e97677b7-04d0-4e68-f2dc-2cc3a97dd636"
      },
      "source": [
        "# Menghapus elemen array a index ke 1\n",
        "np.delete(a,[1])"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 88
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "k0lYA6ulsXgB"
      },
      "source": [
        "## *Combining Arrays*"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "s0gpp_R7sXgB"
      },
      "source": [
        "###  Concatenate arrays"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "PUKsb9JosXgC",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "448248dc-93b9-4d61-d170-9d58dd456457"
      },
      "source": [
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 89
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "N-xuSxw2sXgC",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "fef97e63-dede-40b2-8936-601a7999d76d"
      },
      "source": [
        "d"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74,\n",
              "       78, 82, 86, 90, 94])"
            ]
          },
          "metadata": {},
          "execution_count": 90
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "yOZrqK2SsXgC",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e1dff8c4-9964-40b9-89dc-83f8b5d05662"
      },
      "source": [
        "# Menggabungkan elemen array a dan d\n",
        "np.concatenate((a,d),axis=0) "
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([ 1,  2,  3, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62,\n",
              "       66, 70, 74, 78, 82, 86, 90, 94])"
            ]
          },
          "metadata": {},
          "execution_count": 91
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "0sBAzX6DsXgC"
      },
      "source": [
        "### Stack arrays vertically (row-wise)"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "RWYRB5uUsXgD",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "49b98c37-ced2-43d3-db99-b4da90d6d562"
      },
      "source": [
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 92
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "M9Ak8OcqsXgD",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "0c298d91-221c-4869-89de-c10fa79279e4"
      },
      "source": [
        "b"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1.5, 2. , 3. ],\n",
              "       [4. , 5. , 6. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 93
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "scrolled": true,
        "id": "N0tuSXqUsXgD",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "ef18512b-9760-404a-9091-cf4954964d21"
      },
      "source": [
        "# Susunan array secara vertikal (berdasarkan baris) array a dan b\n",
        "np.vstack((a,b))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1. , 2. , 3. ],\n",
              "       [1.5, 2. , 3. ],\n",
              "       [4. , 5. , 6. ]])"
            ]
          },
          "metadata": {},
          "execution_count": 94
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "--wIKGEUsXgD"
      },
      "source": [
        "### Stack arrays vertically (row-wise)"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "5bPoMFpAsXgE",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "00cd0aa1-50c7-4060-c6b8-6d7c28af5a3c"
      },
      "source": [
        "e"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[7, 7],\n",
              "       [7, 7]])"
            ]
          },
          "metadata": {},
          "execution_count": 95
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "2Po7tUyfsXgE",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "e6740d8d-72f2-449d-8203-ca8ba833b3a0"
      },
      "source": [
        "f"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1., 0.],\n",
              "       [0., 1.]])"
            ]
          },
          "metadata": {},
          "execution_count": 96
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "jeRULHqHsXgE",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "5f15a34e-1a5a-4606-ce8c-744eda80a53a"
      },
      "source": [
        "# Susunan array secara vertikal (berdasarkan baris) array e dan f\n",
        "np.r_[e,f]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[7., 7.],\n",
              "       [7., 7.],\n",
              "       [1., 0.],\n",
              "       [0., 1.]])"
            ]
          },
          "metadata": {},
          "execution_count": 97
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "1d9ruoHFsXgE"
      },
      "source": [
        "### Stack arrays horizontally (column-wise)"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "DLRKp0tlsXgF",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "ce476cfa-e32f-4ef7-c16c-ac47d28270f8"
      },
      "source": [
        "# Susunan array secara horizontal (berdasarkan kolom) array e dan f\n",
        "np.hstack((e,f))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[7., 7., 1., 0.],\n",
              "       [7., 7., 0., 1.]])"
            ]
          },
          "metadata": {},
          "execution_count": 98
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "_W7JKsxssXgF"
      },
      "source": [
        "### Create stacked column-wise arrays "
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "CmI6tXRNsXgF",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "c1614ab1-8d5c-4dec-a015-d6a501303f36"
      },
      "source": [
        "a"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([1, 2, 3])"
            ]
          },
          "metadata": {},
          "execution_count": 99
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "wcyAweArsXgF",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "497ee2cd-592d-47fa-9d98-a6645e071573"
      },
      "source": [
        "d"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([3, 1, 4])"
            ]
          },
          "metadata": {},
          "execution_count": 122
        }
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "lY_L0I1LsXgG",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "a4b17636-e989-45f7-ab2a-508dd5ab5b28"
      },
      "source": [
        "# Susunan berdasarkan kolom array a dan d \n",
        "np.column_stack((a,d))"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1, 3],\n",
              "       [2, 1],\n",
              "       [3, 4]])"
            ]
          },
          "metadata": {},
          "execution_count": 123
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "TI6yUZxNsXgG"
      },
      "source": [
        "### Create stacked column-wise arrays"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "scrolled": true,
        "id": "DtucqXS0sXgG",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "93fca1c8-f785-46f9-b3af-95c9b56fc45f"
      },
      "source": [
        "# Susunan berdasarkan kolom array a dan d\n",
        "np.c_[a,d]"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "array([[1, 3],\n",
              "       [2, 1],\n",
              "       [3, 4]])"
            ]
          },
          "metadata": {},
          "execution_count": 126
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "YZ7TuXPGsXgG"
      },
      "source": [
        "## *Splitting Arrays*"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "sEA8OJQ1sXgG"
      },
      "source": [
        "### Split the array horizontally at the 3rd index"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "c7jARc0-sXgH",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "b85c2048-27c8-45af-ec45-1c07e9304818"
      },
      "source": [
        "# Memisahkan array a secara horizontal pada indeks ke-3\n",
        "np.hsplit(a,3)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "[array([1]), array([2]), array([3])]"
            ]
          },
          "metadata": {},
          "execution_count": 127
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "bSmI_piJsXgH"
      },
      "source": [
        "### Split the array vertically at the 2nd index"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "G0uOWkWisXgH",
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "outputId": "7ebad10e-f12f-4ec2-e8e9-579584ac3eb1"
      },
      "source": [
        "# Memisahkan array c secara vertikal pada indeks ke-2\n",
        "np.vsplit(c,2)"
      ],
      "execution_count": null,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": [
              "[array([[[1.5, 2. , 1. ],\n",
              "         [4. , 5. , 6. ]]]), array([[[3., 2., 3.],\n",
              "         [4., 5., 6.]]])]"
            ]
          },
          "metadata": {},
          "execution_count": 128
        }
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "SD0Imgr8sXgH"
      },
      "source": [
        "# Thank You"
      ]
    }
  ]
}