勉強会で作った内容

2021-09-01_stat.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "08325818",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4-element Vector{Float64}:\n",
       " -1.1\n",
       "  0.0\n",
       "  3.6\n",
       " -7.2"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x = [ -1.1, 0.0, 3.6, -7.2 ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "b2b6241f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2×3 Matrix{Int64}:\n",
       " 1  2  3\n",
       " 1  3  3"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x = [\n",
    "  1 2 3\n",
    "  1 3 3\n",
    "]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "d23c1ae0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4-element Vector{Float64}:\n",
       " -1.1\n",
       "  0.0\n",
       "  3.6\n",
       " -7.2"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y = [ -1.1; 0.0; 3.6; -7.2 ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "6fd8fe59",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(1, 2)"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b = (1, 2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "d5302a43",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x[begin]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "5cde9fd0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-1.1"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y[begin]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "ffbb0593",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-7.2"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "y[end]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "5ddb8f29",
   "metadata": {},
   "outputs": [],
   "source": [
    "x=[1,-2]'; y=[1,1]';"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "0fb5b357",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2×2 Matrix{Int64}:\n",
       " 1  -2\n",
       " 1   1"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "z = [ x; y ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "993aba67",
   "metadata": {},
   "outputs": [
    {
     "ename": "LoadError",
     "evalue": "ArgumentError: number of columns of each array must match (got (2, 3))",
     "output_type": "error",
     "traceback": [
      "ArgumentError: number of columns of each array must match (got (2, 3))",
      "",
      "Stacktrace:",
      " [1] _typed_vcat(#unused#::Type{Int64}, A::Tuple{LinearAlgebra.Adjoint{Int64, Vector{Int64}}, LinearAlgebra.Adjoint{Int64, Vector{Int64}}})",
      "   @ Base .\\abstractarray.jl:1553",
      " [2] typed_vcat",
      "   @ .\\abstractarray.jl:1567 [inlined]",
      " [3] vcat(::LinearAlgebra.Adjoint{Int64, Vector{Int64}}, ::LinearAlgebra.Adjoint{Int64, Vector{Int64}})",
      "   @ SparseArrays C:\\buildbot\\worker\\package_win64\\build\\usr\\share\\julia\\stdlib\\v1.6\\SparseArrays\\src\\sparsevector.jl:1120",
      " [4] top-level scope",
      "   @ In[10]:2",
      " [5] eval",
      "   @ .\\boot.jl:360 [inlined]",
      " [6] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)",
      "   @ Base .\\loading.jl:1094"
     ]
    }
   ],
   "source": [
    "x=[1,-2]'; y=[1,1,0]';\n",
    "z = [ x; y ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "95bd2fa0",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2×2 Matrix{Int64}:\n",
       " 1  -2\n",
       " 1   1"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x=[1,-2]'; y=[1,1]';\n",
    "z = [ x; y ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "eb4ce567",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1×2 adjoint(::Vector{Int64}) with eltype Int64:\n",
       " 1  -2"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x=[1,-2]'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "9640c266",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2-element Vector{Int64}:\n",
       "  1\n",
       " -2"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x=[1,-2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "c2fc2ce8",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "([1, -2], [1, 1, 0])"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x=[1,-2]; y=[1,1,0];\n",
    "z = ( x, y )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "8ea833f0",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2-element Vector{Vector{Int64}}:\n",
       " [1, -2]\n",
       " [1, 1, 0]"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "z = [ x, y ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "cb35b21c",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3-element Vector{Int64}:\n",
       " 4\n",
       " 3\n",
       " 0"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x = [ 9, 4, 3, 0, 5 ];\n",
    "y = x[2:4]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "a707b907",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "3\n",
      "5\n"
     ]
    }
   ],
   "source": [
    "for i in 1:2:5\n",
    "    println(i)\n",
    "end"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "1c6e9875",
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5-element Vector{Int64}:\n",
       " 5\n",
       " 0\n",
       " 3\n",
       " 4\n",
       " 9"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x[end:-1:begin]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "6935174c",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5-element Vector{Int64}:\n",
       " 5\n",
       " 0\n",
       " 3\n",
       " 4\n",
       " 9"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "reverse(x)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "9d29db19",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3-element Vector{Vector{Float64}}:\n",
       " [1.0, 0.0]\n",
       " [1.0, -1.0]\n",
       " [0.0, 1.0]"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x = [ 1.0, 0 ];   y = [ 1.0, -1.0 ];   z = [ 0, 1.0];\n",
    "list = [ x, y, z ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "a50ce5a9",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3-element Vector{Vector{Float64}}:\n",
       " [1.0, 0.0]\n",
       " [1.0, -1.0]\n",
       " [0.0, 1.0]"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x = [ 1.0, 0 ];   y = [ 1.0, -1.0 ];   z = [ 0, 1.0];\n",
    "list = [ x, y, z ]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "07b81605",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3-element Vector{Vector{Float64}}:\n",
       " [1.0, 0.0]\n",
       " [1.0, -1.0]\n",
       " [0.0, 1.0]"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[x, y, z]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "id": "b266cef3",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "6-element Vector{Float64}:\n",
       "  1.0\n",
       "  0.0\n",
       "  1.0\n",
       " -1.0\n",
       "  0.0\n",
       "  1.0"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[x; y; z]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "6ad08bf0",
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1.0\n",
      "[1.0, 0.0]\n"
     ]
    }
   ],
   "source": [
    "x = [ 1.0, 0 ];   y = [ 1.0, -1.0 ];   z = [ 0, 1.0];\n",
    "list = [ x, y, z ]\n",
    "println(list[1][1])\n",
    "println(list[1,1])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "3d4ea8d8",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3-element Vector{Int64}:\n",
       " 0\n",
       " 0\n",
       " 0"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "zeros(Int, 3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "id": "f49e9aab",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       ":circle"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    ":circle"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "ca07bda1",
   "metadata": {},
   "outputs": [],
   "source": [
    "w = [1,2,2]; z = [1,2,3];"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "899f767c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3-element BitVector:\n",
       " 1\n",
       " 1\n",
       " 0"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "w .== z"
   ]
  }
 ],
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  "kernelspec": {
   "display_name": "Julia 1.6.1",
   "language": "julia",
   "name": "julia-1.6"
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   "file_extension": ".jl",
   "mimetype": "application/julia",
   "name": "julia",
   "version": "1.6.1"
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 },
 "nbformat": 4,
 "nbformat_minor": 5
}