nonzero_function.ipynb

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   "source": [
    "# Use of nonzero function"
   ]
  },
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     "name": "stdout",
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     "text": [
      "(array([0, 1, 3, 4, 5, 7], dtype=int64),)\n",
      "[0 1 3 4 5 7]\n"
     ]
    }
   ],
   "source": [
    "#Program to retrieve the non zero elements from an array\n",
    "\n",
    "from numpy import *\n",
    "\n",
    "a= array([1,2,0,-3,9,-5,0,7], int)\n",
    "\n",
    "b= nonzero(a)\n",
    "print(b)\n",
    "\n",
    "#retrieve indexes of non zero elements\n",
    "for i in b:\n",
    "    print(i)\n"
   ]
  },
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     "output_type": "stream",
     "text": [
      "[ 1  2 -3  9 -5  7]\n"
     ]
    }
   ],
   "source": [
    "print(a[i])   # print the value of non zero elements"
   ]
  }
 ],
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