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February 25, 2023 11:43
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -4,7 +4,8 @@ "metadata": { "colab": { "provenance": [], "authorship_tag": "ABX9TyNyTQEXVJOIi+PQNF/PUAOi", "include_colab_link": true }, "kernelspec": { "name": "python3", @@ -15,6 +16,16 @@ } }, "cells": [ { "cell_type": "markdown", "metadata": { "id": "view-in-github", "colab_type": "text" }, "source": [ "<a href=\"https://colab.research.google.com/gist/imvickykumar999/deb9f73174c5ee7b3cc4a2ebe3c56fe4/2d-rubix-cube.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>" ] }, { "cell_type": "code", "execution_count": null, -
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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,748 @@ { "nbformat": 4, "nbformat_minor": 0, "metadata": { "colab": { "provenance": [], "authorship_tag": "ABX9TyNyTQEXVJOIi+PQNF/PUAOi" }, "kernelspec": { "name": "python3", "display_name": "Python 3" }, "language_info": { "name": "python" } }, "cells": [ { "cell_type": "code", "execution_count": null, "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "Nn7FmrDfPAGw", "outputId": "f840883a-8829-43b3-cbd6-81f940430279" }, "outputs": [ { "output_type": "stream", "name": "stdout", "text": [ "[2, 3, 4, 5]\n" ] } ], "source": [ "my_list = [1,2,3,4] \n", "print([x+1 for x in my_list]) # add 1 to every element?" ] }, { "cell_type": "code", "source": [ "import numpy as np\n", "arr = np.array([1,2.4,'3',4])\n", "print(arr)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "ZPM9JaYMPBOy", "outputId": "62e7fd57-bbc5-4761-ad7b-ac56d43bf55c" }, "execution_count": null, "outputs": [ { "output_type": "stream", "name": "stdout", "text": [ "['1' '2.4' '3' '4']\n" ] } ] }, { "cell_type": "code", "source": [ "arr.dtype" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "WQxi1qQ6SDxM", "outputId": "7134abf6-8fcf-4d08-ec7d-068a1b0d3613" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "dtype('<U32')" ] }, "metadata": {}, "execution_count": 6 } ] }, { "cell_type": "code", "source": [ "np.zeros((2,5), dtype=int)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "y-oFuVTsSN2D", "outputId": "e0cd52e2-c767-4892-85db-7af0b4850f42" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[0, 0, 0, 0, 0],\n", " [0, 0, 0, 0, 0]])" ] }, "metadata": {}, "execution_count": 9 } ] }, { "cell_type": "code", "source": [ "np.ones((3,5), dtype=int)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "E_PF1ExOUUi5", "outputId": "d7b16405-1c4a-41a9-f6fb-5cb9802898da" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[1, 1, 1, 1, 1],\n", " [1, 1, 1, 1, 1],\n", " [1, 1, 1, 1, 1]])" ] }, "metadata": {}, "execution_count": 10 } ] }, { "cell_type": "code", "source": [ "np.linspace(1.3546778,1.3546779,10)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "wGkblRDMUzE0", "outputId": "b3a51dbc-7aa2-4b17-dec5-5087434c1ea7" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([1.3546778 , 1.35467781, 1.35467782, 1.35467783, 1.35467784,\n", " 1.35467786, 1.35467787, 1.35467788, 1.35467789, 1.3546779 ])" ] }, "metadata": {}, "execution_count": 17 } ] }, { "cell_type": "code", "source": [ "np.eye(4,5, dtype=int)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "uGByIcbhU7Gf", "outputId": "fbf73d4d-2855-4fb9-e86f-6564f3dfe9f2" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[1, 0, 0, 0, 0],\n", " [0, 1, 0, 0, 0],\n", " [0, 0, 1, 0, 0],\n", " [0, 0, 0, 1, 0]])" ] }, "metadata": {}, "execution_count": 21 } ] }, { "cell_type": "code", "source": [ "arr = [[1,2,3,4], [11,21,31,41], [12,22,32,42], [13,23,33,43]]\n", "arr = np.array(arr)\n", "arr[:,1].reshape(4,1)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "ptKJG41PVoQm", "outputId": "8639b403-6b28-433e-90ca-d17ab6ed8835" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[ 2],\n", " [21],\n", " [22],\n", " [23]])" ] }, "metadata": {}, "execution_count": 34 } ] }, { "cell_type": "code", "source": [ "arr" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "xuDYgxrYZehX", "outputId": "8a93a139-2c73-4f21-b31f-54836ee8e6be" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[ 1, 2, 3, 4],\n", " [11, 21, 31, 41],\n", " [12, 22, 32, 42],\n", " [13, 23, 33, 43]])" ] }, "metadata": {}, "execution_count": 39 } ] }, { "cell_type": "code", "source": [ "arr.sum(axis=0)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "QwiVoiBHXr3q", "outputId": "622509b9-73d1-4dec-c542-76cff5742342" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([ 37, 68, 99, 130])" ] }, "metadata": {}, "execution_count": 38 } ] }, { "cell_type": "code", "source": [ "arr.sum(axis=1) # sum of [ 1, 2, 3, 4]" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "Y4dxqL4pZi-9", "outputId": "67fc01db-cc9d-4809-e17a-47eb293d5b31" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([ 10, 104, 108, 112])" ] }, "metadata": {}, "execution_count": 48 } ] }, { "cell_type": "code", "source": [ "arr.mean(axis=0)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "4PKFqgkpZVnj", "outputId": "7c0433f8-bc67-4a6f-b1b1-80b7ce723c0e" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([ 9.25, 17. , 24.75, 32.5 ])" ] }, "metadata": {}, "execution_count": 43 } ] }, { "cell_type": "code", "source": [ "# excercise # get this array wwithout using np.array # create an array \n", "\n", "arr = [[ 1, 2, 3, 4, 5],\n", "[ 6, 7, 8, 9, 10],\n", "[11, 12, 13, 14, 15],\n", "[16, 17, 18, 19, 20]]" ], "metadata": { "id": "rTQ8C8eWai6Q" }, "execution_count": null, "outputs": [] }, { "cell_type": "code", "source": [ "np.arange(1,21).reshape(4,5)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "-qagEP6JbIxk", "outputId": "6c250929-7d66-4df9-eb1e-c6ce0e114b79" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[ 1, 2, 3, 4, 5],\n", " [ 6, 7, 8, 9, 10],\n", " [11, 12, 13, 14, 15],\n", " [16, 17, 18, 19, 20]])" ] }, "metadata": {}, "execution_count": 56 } ] }, { "cell_type": "code", "source": [ "[1,2]*2" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "bEeo6EcNb725", "outputId": "14bb9ea7-1230-4bef-d1ad-b2985ea114ca" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "[1, 2, 1, 2]" ] }, "metadata": {}, "execution_count": 57 } ] }, { "cell_type": "code", "source": [ "np.array([0,1])/0" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "bCCu7O_Cnlyk", "outputId": "2f6de6d4-862e-416f-91c0-8da14a4b0838" }, "execution_count": null, "outputs": [ { "output_type": "stream", "name": "stderr", "text": [ "<ipython-input-62-f918abecc96d>:1: RuntimeWarning: divide by zero encountered in true_divide\n", " np.array([0,1])/0\n", "<ipython-input-62-f918abecc96d>:1: RuntimeWarning: invalid value encountered in true_divide\n", " np.array([0,1])/0\n" ] }, { "output_type": "execute_result", "data": { "text/plain": [ "array([nan, inf])" ] }, "metadata": {}, "execution_count": 62 } ] }, { "cell_type": "code", "source": [ "np.array([1,2,3])**(.5)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "SPkgPK6xn2Jm", "outputId": "a93edd05-6ca6-47da-b526-8f2d341c18c8" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([1. , 1.41421356, 1.73205081])" ] }, "metadata": {}, "execution_count": 60 } ] }, { "cell_type": "code", "source": [ "np.inf, np.nan" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "aaeubBGsoBzJ", "outputId": "615bcdb6-e0e5-4a80-f80a-c3e350f87281" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "(inf, nan)" ] }, "metadata": {}, "execution_count": 76 } ] }, { "cell_type": "code", "source": [ "arr = np.array([1,2,5,7,5,7,2,4,7,9,0,2,7,3])\n", "arr" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "fa3ld5XQph4p", "outputId": "705f7921-178b-4bd1-9a2a-878a0e5166de" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([1, 2, 5, 7, 5, 7, 2, 4, 7, 9, 0, 2, 7, 3])" ] }, "metadata": {}, "execution_count": 77 } ] }, { "cell_type": "code", "source": [ "for i,j in enumerate(arr):\n", " if j == 7:\n", " print(i)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "pVrbpr9Vq3qo", "outputId": "e4923fa5-aff4-4952-e032-61064ae7e400" }, "execution_count": null, "outputs": [ { "output_type": "stream", "name": "stdout", "text": [ "3\n", "5\n", "8\n", "12\n" ] } ] }, { "cell_type": "code", "source": [ "np.where(arr==7)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "1kKL3oPHq_qv", "outputId": "5aa94718-4d1b-4ad5-9836-0e8e768b9761" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "(array([ 3, 5, 8, 12]),)" ] }, "metadata": {}, "execution_count": 81 } ] }, { "cell_type": "code", "source": [ "arr2d = [[1,5,7,3], [4,7,2,4], [7,6,8,3]]\n", "arr2d = np.array(arr2d)\n", "arr2d" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "-6q_5I62rQ9U", "outputId": "394700a8-34f2-4dbd-e4ca-a5b609abac56" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "array([[1, 5, 7, 3],\n", " [4, 7, 2, 4],\n", " [7, 6, 8, 3]])" ] }, "metadata": {}, "execution_count": 83 } ] }, { "cell_type": "code", "source": [ "np.where(arr2d==7)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "l9cc95HProFd", "outputId": "532820b1-2d4f-4496-a76f-d8e5956548d2" }, "execution_count": null, "outputs": [ { "output_type": "execute_result", "data": { "text/plain": [ "(array([0, 1, 2]), array([2, 1, 0]))" ] }, "metadata": {}, "execution_count": 84 } ] }, { "cell_type": "code", "source": [ "\n", "import numpy as np\n", "\n", "empty = np.chararray((3, 3))\n", "red = np.chararray((3, 3))\n", "white = np.chararray((3, 3))\n", "green = np.chararray((3, 3))\n", "yellow = np.chararray((3, 3))\n", "blue = np.chararray((3, 3))\n", "orange = np.chararray((3, 3))\n", "\n", "empty[:] = ' '\n", "red[:] = 'R'\n", "white[:] = 'W'\n", "green[:] = 'G'\n", "yellow[:] = 'Y'\n", "blue[:] = 'B'\n", "orange[:] = 'O'\n", "\n", "layer1 = np.hstack((empty, red, empty, empty))\n", "layer2 = np.hstack((white, green, yellow, blue))\n", "layer3 = np.hstack((empty, orange, empty, empty))\n", "\n", "board = np.vstack((layer1, layer2, layer3))\n", "print(board)\n" ], "metadata": { "id": "tf-B7qk5ruRj", "colab": { "base_uri": "https://localhost:8080/" }, "outputId": "a462da53-3baf-4c23-da96-bfeb1a150796" }, "execution_count": 49, "outputs": [ { "output_type": "stream", "name": "stdout", "text": [ "[[b' ' b' ' b' ' b'R' b'R' b'R' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'R' b'R' b'R' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'R' b'R' b'R' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b'W' b'W' b'W' b'G' b'G' b'G' b'Y' b'Y' b'Y' b'B' b'B' b'B']\n", " [b'W' b'W' b'W' b'G' b'G' b'G' b'Y' b'Y' b'Y' b'B' b'B' b'B']\n", " [b'W' b'W' b'W' b'G' b'G' b'G' b'Y' b'Y' b'Y' b'B' b'B' b'B']\n", " [b' ' b' ' b' ' b'O' b'O' b'O' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'O' b'O' b'O' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'O' b'O' b'O' b' ' b' ' b' ' b' ' b' ' b' ']]\n" ] } ] }, { "cell_type": "code", "source": [ "temp = np.copy(board[4, 0:3])\n", "board[4, 0:3] = board[4, 3:6]\n", "board[4, 3:6] = board[4, 6:9]\n", "board[4, 6:9] = board[4, 9:12]\n", "board[4, 9:12] = temp\n", "print(board)" ], "metadata": { "colab": { "base_uri": "https://localhost:8080/" }, "id": "XssgfbdZPBDg", "outputId": "54603b57-7511-4a22-b07f-c3f73476060e" }, "execution_count": 50, "outputs": [ { "output_type": "stream", "name": "stdout", "text": [ "[[b' ' b' ' b' ' b'R' b'R' b'R' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'R' b'R' b'R' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'R' b'R' b'R' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b'W' b'W' b'W' b'G' b'G' b'G' b'Y' b'Y' b'Y' b'B' b'B' b'B']\n", " [b'G' b'G' b'G' b'Y' b'Y' b'Y' b'B' b'B' b'B' b'W' b'W' b'W']\n", " [b'W' b'W' b'W' b'G' b'G' b'G' b'Y' b'Y' b'Y' b'B' b'B' b'B']\n", " [b' ' b' ' b' ' b'O' b'O' b'O' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'O' b'O' b'O' b' ' b' ' b' ' b' ' b' ' b' ']\n", " [b' ' b' ' b' ' b'O' b'O' b'O' b' ' b' ' b' ' b' ' b' ' b' ']]\n" ] } ] }, { "cell_type": "code", "source": [], "metadata": { "id": "FlQbsudXRzYP" }, "execution_count": null, "outputs": [] }, { "cell_type": "code", "source": [], "metadata": { "id": "e90cQWp_R_Jj" }, "execution_count": null, "outputs": [] } ] }