{
 "cells": [
  {
   "metadata": {},
   "cell_type": "markdown",
   "source": "Arbeiten mit Numpy",
   "id": "84c8fcc4449f4558"
  },
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:17.312457Z",
     "start_time": "2026-10-01T08:52:17.229560500Z"
    }
   },
   "cell_type": "code",
   "source": "import numpy as np",
   "id": "3ddc7142f957cc6e",
   "outputs": [],
   "execution_count": 1
  },
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:17.340402300Z",
     "start_time": "2026-10-01T08:52:17.316467500Z"
    }
   },
   "cell_type": "code",
   "source": "W=np.array([[1.,2,3],[3,4,5]])",
   "id": "fab9f0c4b4cd7331",
   "outputs": [],
   "execution_count": 2
  },
  {
   "cell_type": "code",
   "id": "2df00a69-4739-4e71-bcbf-ae975fde0a8d",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:17.381458300Z",
     "start_time": "2026-10-01T08:52:17.345404100Z"
    }
   },
   "source": [
    "W.shape"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(2, 3)"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 3
  },
  {
   "cell_type": "code",
   "id": "94f15aa1-4624-4886-b51f-69728e5855b2",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:17.506190700Z",
     "start_time": "2026-10-01T08:52:17.403470Z"
    }
   },
   "source": [
    "W.T"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[1., 3.],\n",
       "       [2., 4.],\n",
       "       [3., 5.]])"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 4
  },
  {
   "cell_type": "code",
   "id": "c1d473a4-3631-4250-b355-c342a6dc6004",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:20.674079500Z",
     "start_time": "2026-10-01T08:52:20.501489Z"
    }
   },
   "source": [
    "W.T.shape"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(3, 2)"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 5
  },
  {
   "cell_type": "code",
   "id": "2ceb80d0-266d-4fa3-b5fe-1ffe2f86ae6b",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:20.944026200Z",
     "start_time": "2026-10-01T08:52:20.734889400Z"
    }
   },
   "source": [
    "type(W)"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "numpy.ndarray"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 6
  },
  {
   "cell_type": "code",
   "id": "401331e9-66d2-4c37-baae-8e99ec803629",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:21.078828700Z",
     "start_time": "2026-10-01T08:52:20.976024400Z"
    }
   },
   "source": [
    "type(W.shape)"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "tuple"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 7
  },
  {
   "cell_type": "code",
   "id": "8393499e-40c7-4e6b-a9b1-2ed9853ac7c7",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:21.269115200Z",
     "start_time": "2026-10-01T08:52:21.111708200Z"
    }
   },
   "source": [
    "r=np.arange(10)\n",
    "print(r)\n",
    "r.shape"
   ],
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[0 1 2 3 4 5 6 7 8 9]\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "(10,)"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 8
  },
  {
   "cell_type": "code",
   "id": "fcafe345-887f-40c4-9165-d0852fa98252",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:21.441516Z",
     "start_time": "2026-10-01T08:52:21.322059300Z"
    }
   },
   "source": [
    "M=np.arange(12).reshape(3,4)\n",
    "M"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[ 0,  1,  2,  3],\n",
       "       [ 4,  5,  6,  7],\n",
       "       [ 8,  9, 10, 11]])"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 9
  },
  {
   "cell_type": "code",
   "id": "ce0d72f5-9b39-43d3-9fc8-c3d76e1d6144",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:21.737503900Z",
     "start_time": "2026-10-01T08:52:21.573841400Z"
    }
   },
   "source": [
    "M.shape"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(3, 4)"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 10
  },
  {
   "cell_type": "code",
   "id": "e3215687-903d-418b-83b6-82e09dda7ca9",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:22.191928Z",
     "start_time": "2026-10-01T08:52:21.848416800Z"
    }
   },
   "source": [
    "M[:,[3,0,1,1]]"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[ 3,  0,  1,  1],\n",
       "       [ 7,  4,  5,  5],\n",
       "       [11,  8,  9,  9]])"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 11
  },
  {
   "cell_type": "code",
   "id": "1760b7a5-9055-4949-ba09-8384d204b922",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:22.577686800Z",
     "start_time": "2026-10-01T08:52:22.348557300Z"
    }
   },
   "source": [
    "M>4"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[False, False, False, False],\n",
       "       [False,  True,  True,  True],\n",
       "       [ True,  True,  True,  True]])"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 12
  },
  {
   "cell_type": "code",
   "id": "f3a1572b-eebb-41ad-b0bb-642d72db09ae",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:23.209483200Z",
     "start_time": "2026-10-01T08:52:22.974117800Z"
    }
   },
   "source": [
    "M[M>4]"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([ 5,  6,  7,  8,  9, 10, 11])"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 13
  },
  {
   "cell_type": "code",
   "id": "c645218a-4bed-4c23-b270-32d0086ef976",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:23.731561500Z",
     "start_time": "2026-10-01T08:52:23.428312900Z"
    }
   },
   "source": [
    "M[M>4]=-17"
   ],
   "outputs": [],
   "execution_count": 14
  },
  {
   "cell_type": "code",
   "id": "610e3957-c241-4b95-848b-7933677d8b37",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:52:23.897784900Z",
     "start_time": "2026-10-01T08:52:23.744562Z"
    }
   },
   "source": [
    "M"
   ],
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([[  0,   1,   2,   3],\n",
       "       [  4, -17, -17, -17],\n",
       "       [-17, -17, -17, -17]])"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 15
  },
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2026-10-01T08:53:23.533249600Z",
     "start_time": "2026-10-01T08:53:23.386263100Z"
    }
   },
   "cell_type": "code",
   "source": [
    "s=0\n",
    "for i in range(M.shape[0]):\n",
    "    for j in range(M.shape[1]):\n",
    "        s+=M[i,j]\n",
    "        print(s,sep=',',end='🐝') # Parameter sep und end über Namen setzen\n",
    "print(s)\n",
    "\n",
    "def func(x):\n",
    "    print(x*x)\n",
    "    return x"
   ],
   "id": "8218e5eb4a464967",
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0🐝1🐝3🐝6🐝10🐝-7🐝-24🐝-41🐝-58🐝-75🐝-92🐝-109🐝-109\n"
     ]
    }
   ],
   "execution_count": 19
  }
 ],
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   "display_name": "Python 3 (ipykernel)",
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   "file_extension": ".py",
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