Homework/Day_02_HW.ipynb

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    "作業目標<br>\n",
    "熟悉陣列維度轉換，並且會擷取需要資料<br>  \n",
    "\n",
    "作業重點<br>\n",
    "使用reshap須注意order用法<br>\n",
    "where可以運用邏輯條件擷取資料"
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    "題目:<br>\n",
    "1.將下列陣列(array1)，轉成維度為(5X6)的array，順序按列填充。(hint: order=\"F\")<br>\n",
    "2.呈上題的array，找出被6除餘1的數的索引<br>"
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     "text": [
      "NumPy 版本:  1.18.5\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "print( 'NumPy 版本: ', np.__version__ )"
   ]
  },
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     "text": [
      "Size = 30\n"
     ]
    }
   ],
   "source": [
    "#1.將下列清單(list1)，轉成維度為(5X6)的array，順序按列填充。(hint: order=\"F\")\n",
    "array1 = np.array( range(30) )\n",
    "print( 'Size =', array1.size )"
   ]
  },
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   "cell_type": "code",
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   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[ 0,  5, 10, 15, 20, 25],\n",
       "       [ 1,  6, 11, 16, 21, 26],\n",
       "       [ 2,  7, 12, 17, 22, 27],\n",
       "       [ 3,  8, 13, 18, 23, 28],\n",
       "       [ 4,  9, 14, 19, 24, 29]])"
      ]
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     "execution_count": 3,
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   "source": [
    "array1.reshape( (5,6), order=\"F\" )"
   ]
  },
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   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "id": "X1PZ16iqXWOe"
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    {
     "data": {
      "text/plain": [
       "(array([ 1,  7, 13, 19, 25], dtype=int64),)"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#2.呈上題的array，找出被6除餘1的數的索引\n",
    "np.where( array1%6==1)"
   ]
  }
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