This file abut vector orintation (  Date , 1401, 12  ,13).ipynb

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      "this is first vector\n",
      "[1, 2, 3, 4]\n",
      "this is second vector\n",
      "[2 3 4]\n",
      "this is third vector\n",
      "[[1]\n",
      " [2]\n",
      " [3]\n",
      " [4]]\n",
      "this is fourth vector \n",
      "[[5 6 7 8 9]]\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "import matplotlib.pyplot as plt\n",
    "v1=[1,2,3,4]\n",
    "v2=np.array([2,3,4])\n",
    "v3=np.array([[1],[2],[3],[4]])\n",
    "v4=np.array([[5,6,7,8,9]])\n",
    "print(\"this is first vector\")\n",
    "print(v1)\n",
    "print(\"this is second vector\")\n",
    "print(v2)\n",
    "print(\"this is third vector\")\n",
    "print(v3)\n",
    "print(\"this is fourth vector \")\n",
    "print(v4)"
   ]
  }
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