assignment by Tatsuki Koga

Tatsuki_Koga/.ipynb_checkpoints/Tatsuki_Koga-checkpoint.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 課題1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 44,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]"
+      ]
+     },
+     "execution_count": 44,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "list(range(1,11))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 課題2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[2, 4, 6, 8, 10]"
+      ]
+     },
+     "execution_count": 43,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "list(range(2,11,2))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 課題3"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{0: 'a', 1: 'b', 2: 'c', 3: 'd', 4: 'e', 5: 'f'}"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "alph_list = [\"a\",\"b\",\"c\",\"d\",\"e\",\"f\"]\n",
+    "dict(enumerate(alph_list))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 課題4"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "名前: 山田, 年齢: 23歳, 性別: 男, 身長: 170.3cm, 体重: 60.2kg\n",
+      "名前: 高橋, 年齢: 30歳, 性別: 女, 身長: 165.2cm, 体重: 46.2kg\n",
+      "名前: 山田, 年齢: 24歳, 性別: 男, 身長: 170.3cm, 体重: 60.2kg\n",
+      "2\n"
+     ]
+    }
+   ],
+   "source": [
+    "instance_count = 0\n",
+    "class Human:\n",
+    "    def __init__(self, name, age, sex, height, weight):\n",
+    "        self.name = name\n",
+    "        self.age = age\n",
+    "        self.sex = sex\n",
+    "        self.height = height\n",
+    "        self.weight = weight\n",
+    "        global instance_count\n",
+    "        instance_count += 1\n",
+    "        \n",
+    "    def __str__(self):\n",
+    "        return '名前: %s, 年齢: %d歳, 性別: %s, 身長: %.1fcm, 体重: %.1fkg' %(self.name,self.age,self.sex,self.height,self.weight)\n",
+    "    \n",
+    "    def inc_age(self):\n",
+    "        self.age += 1\n",
+    "    \n",
+    "    def instance_count(self):\n",
+    "        return count\n",
+    "        \n",
+    "\n",
+    "# インスタンスの作成\n",
+    "yamada = Human('山田', 23, '男', 170.3, 60.2)\n",
+    "takahashi = Human(\"高橋\", 30, '女', 165.2, 46.2)\n",
+    "print(yamada)\n",
+    "print(takahashi)\n",
+    "# 年齢をインクリメント\n",
+    "yamada.inc_age()\n",
+    "print(yamada)\n",
+    "# インスタンスをカウントした結果\n",
+    "print(instance_count)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 課題5"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "import numpy as np\n",
+    "a = np.array([[1,2,3],[4,5,6]])\n",
+    "b = np.array([1,1,1])\n",
+    "np.matmul(a,b.T)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 課題6"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 52,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0.96886393162696616"
+      ]
+     },
+     "execution_count": 52,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "import numpy as np\n",
+    "a = np.array([1,2,3,4])\n",
+    "b = np.array([5,6,7,8])\n",
+    "np.matmul(a,b.T) / (np.linalg.norm(a)*np.linalg.norm(b))"
+   ]
+  }
+ ],
+ "metadata": {
+  "anaconda-cloud": {},
+  "kernelspec": {
+   "display_name": "Python [conda root]",
+   "language": "python",
+   "name": "conda-root-py"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.5.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 1
+}

Tatsuki_Koga/README.md

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+名前: 古賀樹
+大学名: 東京大学
+専攻: 現在教養学部のためなし
+今までの開発経験: iOSアプリ開発、Pythonでの機械学習、Deep Learningの実装、GoでのWebアプリバックエンド開発
+中期的な目標: サービスに機械学習、Deep Learningを組み込むこと