vander_plus_2_NumPy.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "0c45bfa9",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Writing default config to: C:\\Users\\Admin\\.jupyter\\jupyter_notebook_config.py\n"
     ]
    }
   ],
   "source": [
    "# !jupyter notebook --generate-config"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "0bf73318",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'1.20.3'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import numpy as np\n",
    "np.__version__"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "5f67f767",
   "metadata": {},
   "outputs": [],
   "source": [
    "np?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "a3ac0b2b",
   "metadata": {},
   "outputs": [],
   "source": [
    "np.random.seed(0)\n",
    "x1 = np.random.randint(10, size=6)\n",
    "x2 = np.random.randint(10, size=(3,4))\n",
    "x3 = np.random.randint(10, size=(3,4,5))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "9bd0e250",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([5, 0, 3, 3, 7, 9])"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "9f6241a5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[3, 5, 2, 4],\n",
       "       [7, 6, 8, 8],\n",
       "       [1, 6, 7, 7]])"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "id": "517cd7a0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[[8, 1, 5, 9, 8],\n",
       "        [9, 4, 3, 0, 3],\n",
       "        [5, 0, 2, 3, 8],\n",
       "        [1, 3, 3, 3, 7]],\n",
       "\n",
       "       [[0, 1, 9, 9, 0],\n",
       "        [4, 7, 3, 2, 7],\n",
       "        [2, 0, 0, 4, 5],\n",
       "        [5, 6, 8, 4, 1]],\n",
       "\n",
       "       [[4, 9, 8, 1, 1],\n",
       "        [7, 9, 9, 3, 6],\n",
       "        [7, 2, 0, 3, 5],\n",
       "        [9, 4, 4, 6, 4]]])"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "949b7236",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3.ndim"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "5907ab3e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(3, 4, 5)"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "id": "a9432c29",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "60"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3.size"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "2c58fc5c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "dtype('int32')"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3.dtype"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "b0948f6e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3.itemsize  # размер в байтах каждого эл-та массива"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "3c35ef84",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "240"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3.nbytes  # полный размер массива в байтах"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "3ec793ba",
   "metadata": {},
   "outputs": [],
   "source": [
    "x=np.arange(10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "731f3e8d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "id": "6fe8eed7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0, 1, 2, 3, 4])"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x[:5]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "id": "952be8a3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0, 2, 4, 6, 8])"
      ]
     },
     "execution_count": 37,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x[::2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "id": "27c2a8bd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([9, 8, 7, 6, 5, 4, 3, 2, 1, 0])"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x[::-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "id": "00988a43",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[[8, 1, 5, 9, 8],\n",
       "        [5, 0, 2, 3, 8]],\n",
       "\n",
       "       [[4, 9, 8, 1, 1],\n",
       "        [7, 2, 0, 3, 5]]])"
      ]
     },
     "execution_count": 39,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3[::2,::2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "id": "3803ca2d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[3, 2],\n",
       "       [1, 7]])"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2[::2,::2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "id": "2485033a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[3, 5, 2, 4],\n",
       "       [7, 6, 8, 8],\n",
       "       [1, 6, 7, 7]])"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "4a51a798",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[3, 2],\n",
       "       [7, 8]])"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2[:2,::2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "id": "6fa11804",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[7, 7, 6, 1],\n",
       "       [8, 8, 6, 7],\n",
       "       [4, 2, 5, 3]])"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2[::-1,::-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "b54434c5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[3, 5, 2, 4],\n",
       "       [7, 6, 8, 8],\n",
       "       [1, 6, 7, 7]])"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "id": "ef1032a6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([3, 7, 1])"
      ]
     },
     "execution_count": 46,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2[:,0]  # первый столбец"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "id": "4407260f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([3, 5, 2, 4])"
      ]
     },
     "execution_count": 47,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2[0,:]  # первая строка"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "id": "89af3cc3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([3, 5, 2, 4])"
      ]
     },
     "execution_count": 48,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2[0]  # первая строка"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "id": "7567f131",
   "metadata": {},
   "outputs": [],
   "source": [
    "x2_sub = x2[:2,:2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "id": "c44cfe8f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[3, 5],\n",
       "       [7, 6]])"
      ]
     },
     "execution_count": 50,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2_sub"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "id": "863010bd",
   "metadata": {},
   "outputs": [],
   "source": [
    "x2_sub[0,0]=99"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 52,
   "id": "e1ff0c7a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[99,  5,  2,  4],\n",
       "       [ 7,  6,  8,  8],\n",
       "       [ 1,  6,  7,  7]])"
      ]
     },
     "execution_count": 52,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "id": "411ca339",
   "metadata": {},
   "outputs": [],
   "source": [
    "x2_sub_copy = x2[:2,:2].copy()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "id": "d209a53c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[99,  5],\n",
       "       [ 7,  6]])"
      ]
     },
     "execution_count": 54,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2_sub_copy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "id": "cee4f208",
   "metadata": {},
   "outputs": [],
   "source": [
    "x2_sub_copy[0,0]=1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 56,
   "id": "df6cd684",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 5],\n",
       "       [7, 6]])"
      ]
     },
     "execution_count": 56,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2_sub_copy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 57,
   "id": "377247cf",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[99,  5,  2,  4],\n",
       "       [ 7,  6,  8,  8],\n",
       "       [ 1,  6,  7,  7]])"
      ]
     },
     "execution_count": 57,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "90e126e3",
   "metadata": {},
   "outputs": [],
   "source": [
    "grid = np.arange(1,10,2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "id": "ec34c9a3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([1, 3, 5, 7, 9])"
      ]
     },
     "execution_count": 59,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "grid"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "3bae3061",
   "metadata": {},
   "outputs": [],
   "source": [
    "grid = np.arange(1,10).reshape((3,3))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "id": "0a717bf7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3],\n",
       "       [4, 5, 6],\n",
       "       [7, 8, 9]])"
      ]
     },
     "execution_count": 61,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "grid"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "d4391025",
   "metadata": {},
   "outputs": [],
   "source": [
    "y = np.arange(1,5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "id": "ac48bf85",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([1, 2, 3, 4])"
      ]
     },
     "execution_count": 63,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "id": "76a730d9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3, 4]])"
      ]
     },
     "execution_count": 67,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y.reshape(1,4)  # преобразовали в вектор-строку"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 68,
   "id": "8fe76290",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([1, 2, 3, 4])"
      ]
     },
     "execution_count": 68,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "30655760",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3, 4]])"
      ]
     },
     "execution_count": 69,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y[np.newaxis,:]  # преобразовали в вектор-строку"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 70,
   "id": "e35b74df",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([1, 2, 3, 4])"
      ]
     },
     "execution_count": 70,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "id": "4ac79479",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1],\n",
       "       [2],\n",
       "       [3],\n",
       "       [4]])"
      ]
     },
     "execution_count": 71,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y.reshape(4,1)  # преобразовали в вектор-столбец"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 72,
   "id": "1192238d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1],\n",
       "       [2],\n",
       "       [3],\n",
       "       [4]])"
      ]
     },
     "execution_count": 72,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y[:,np.newaxis]  # преобразовали в вектор-столбец"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "28f8bc25",
   "metadata": {},
   "outputs": [],
   "source": [
    "==============================================================================================================================="
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "4de56b6a",
   "metadata": {},
   "outputs": [],
   "source": [
    "a = [1,2,3]\n",
    "b = [4,5,6]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 74,
   "id": "29a0e0fd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([1, 2, 3, 4, 5, 6])"
      ]
     },
     "execution_count": 74,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.concatenate([a,b])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "0f2edf77",
   "metadata": {},
   "outputs": [],
   "source": [
    "c = [97,98,99]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "id": "d38eb660",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([ 1,  2,  3,  4,  5,  6, 97, 98, 99])"
      ]
     },
     "execution_count": 76,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.concatenate([a,b,c])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 77,
   "id": "d624047d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3],\n",
       "       [4, 5, 6],\n",
       "       [7, 8, 9],\n",
       "       [1, 2, 3],\n",
       "       [4, 5, 6],\n",
       "       [7, 8, 9]])"
      ]
     },
     "execution_count": 77,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.concatenate([grid,grid])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 80,
   "id": "81fbc14b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3, 1, 2, 3],\n",
       "       [4, 5, 6, 4, 5, 6],\n",
       "       [7, 8, 9, 7, 8, 9]])"
      ]
     },
     "execution_count": 80,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.concatenate([grid,grid], axis=1)  # слияние по второй оси"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "id": "e7bf363e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3],\n",
       "       [1, 2, 3],\n",
       "       [4, 5, 6],\n",
       "       [7, 8, 9]])"
      ]
     },
     "execution_count": 81,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# объединение по вертикали\n",
    "np.vstack([a,grid])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "id": "9effc5e1",
   "metadata": {},
   "outputs": [],
   "source": [
    "d = np.array([[1],\n",
    "              [2],\n",
    "              [3]])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "id": "48317664",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3, 1],\n",
       "       [4, 5, 6, 2],\n",
       "       [7, 8, 9, 3]])"
      ]
     },
     "execution_count": 85,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# объединение по горизонтали\n",
    "np.hstack([grid,d])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "id": "de2b19a6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[[8, 1, 5, 9, 8],\n",
       "        [9, 4, 3, 0, 3],\n",
       "        [5, 0, 2, 3, 8],\n",
       "        [1, 3, 3, 3, 7]],\n",
       "\n",
       "       [[0, 1, 9, 9, 0],\n",
       "        [4, 7, 3, 2, 7],\n",
       "        [2, 0, 0, 4, 5],\n",
       "        [5, 6, 8, 4, 1]],\n",
       "\n",
       "       [[4, 9, 8, 1, 1],\n",
       "        [7, 9, 9, 3, 6],\n",
       "        [7, 2, 0, 3, 5],\n",
       "        [9, 4, 4, 6, 4]]])"
      ]
     },
     "execution_count": 86,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "id": "137b4f56",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[[8, 1, 5, 9, 8],\n",
       "         [9, 4, 3, 0, 3],\n",
       "         [5, 0, 2, 3, 8],\n",
       "         [1, 3, 3, 3, 7]]]),\n",
       " array([[[0, 1, 9, 9, 0],\n",
       "         [4, 7, 3, 2, 7],\n",
       "         [2, 0, 0, 4, 5],\n",
       "         [5, 6, 8, 4, 1]]]),\n",
       " array([[[4, 9, 8, 1, 1],\n",
       "         [7, 9, 9, 3, 6],\n",
       "         [7, 2, 0, 3, 5],\n",
       "         [9, 4, 4, 6, 4]]])]"
      ]
     },
     "execution_count": 90,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.split(x3, [1,2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "id": "57d00663",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[[8, 1, 5, 9, 8],\n",
       "         [9, 4, 3, 0, 3],\n",
       "         [5, 0, 2, 3, 8],\n",
       "         [1, 3, 3, 3, 7]],\n",
       " \n",
       "        [[0, 1, 9, 9, 0],\n",
       "         [4, 7, 3, 2, 7],\n",
       "         [2, 0, 0, 4, 5],\n",
       "         [5, 6, 8, 4, 1]]]),\n",
       " array([], shape=(0, 4, 5), dtype=int32),\n",
       " array([[[0, 1, 9, 9, 0],\n",
       "         [4, 7, 3, 2, 7],\n",
       "         [2, 0, 0, 4, 5],\n",
       "         [5, 6, 8, 4, 1]],\n",
       " \n",
       "        [[4, 9, 8, 1, 1],\n",
       "         [7, 9, 9, 3, 6],\n",
       "         [7, 2, 0, 3, 5],\n",
       "         [9, 4, 4, 6, 4]]])]"
      ]
     },
     "execution_count": 92,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.split(x3, [2,1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "37e6d5dd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1, 2, 3],\n",
       "       [4, 5, 6],\n",
       "       [7, 8, 9]])"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "grid"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 98,
   "id": "8cd9631b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[1, 2, 3]]), array([[4, 5, 6]]), array([[7, 8, 9]])]"
      ]
     },
     "execution_count": 98,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.split(grid,[1,2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 107,
   "id": "c7bc4107",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[1, 2, 3],\n",
       "        [4, 5, 6],\n",
       "        [7, 8, 9]]),\n",
       " array([], shape=(0, 3), dtype=int32),\n",
       " array([[4, 5, 6],\n",
       "        [7, 8, 9]])]"
      ]
     },
     "execution_count": 107,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.split(grid,[3,1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 110,
   "id": "14399894",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[1, 2, 3]]),\n",
       " array([[4, 5, 6],\n",
       "        [7, 8, 9]])]"
      ]
     },
     "execution_count": 110,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.vsplit(grid,[1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 111,
   "id": "1e259ca9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[1, 2, 3],\n",
       "        [4, 5, 6]]),\n",
       " array([[7, 8, 9]])]"
      ]
     },
     "execution_count": 111,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.vsplit(grid,[2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 113,
   "id": "d478144c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([], shape=(0, 3), dtype=int32),\n",
       " array([[1, 2, 3],\n",
       "        [4, 5, 6],\n",
       "        [7, 8, 9]])]"
      ]
     },
     "execution_count": 113,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.vsplit(grid,[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 115,
   "id": "43a62dec",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[1, 2, 3]]), array([[4, 5, 6]]), array([[7, 8, 9]])]"
      ]
     },
     "execution_count": 115,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.vsplit(grid,[1,2]) # раздел по строкам"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "e8c9cdb6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[array([[1],\n",
       "        [4],\n",
       "        [7]]),\n",
       " array([[2],\n",
       "        [5],\n",
       "        [8]]),\n",
       " array([[3],\n",
       "        [6],\n",
       "        [9]])]"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "np.hsplit(grid,[1,2]) # раздел по столбцам"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "0c84dc26",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
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