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genkuroki/plot Dict and Vector{Any}.ipynb

Last active January 20, 2021 07:35
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plot Dict and Vector{Any}
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plot Dict and Vector{Any}.ipynb
{
"cells": [
{
"metadata": {},
"cell_type": "markdown",
"source": "# plot Dict and Vector{Any}\n\nhttps://twitter.com/genkuroki/status/1351783595933798401"
},
{
"metadata": {
"toc": true
},
"cell_type": "markdown",
"source": "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#plot-Dict\" data-toc-modified-id=\"plot-Dict-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>plot Dict</a></span></li><li><span><a href=\"#Vector{Complex}問題\" data-toc-modified-id=\"Vector{Complex}問題-2\"><span class=\"toc-item-num\">2&nbsp;&nbsp;</span>Vector{Complex}問題</a></span></li><li><span><a href=\"#Vector{Any}問題\" data-toc-modified-id=\"Vector{Any}問題-3\"><span class=\"toc-item-num\">3&nbsp;&nbsp;</span>Vector{Any}問題</a></span></li></ul></div>"
},
{
"metadata": {},
"cell_type": "markdown",
"source": "## plot Dict"
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "d = Dict(:foo => 123, :bar => 456, :baz => 789)",
"execution_count": 1,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 1,
"data": {
"text/plain": "Dict{Symbol, Int64} with 3 entries:\n :baz => 789\n :bar => 456\n :foo => 123"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "a = []\nfor k in keys(d)\n append!(a, d[k])\nend\na",
"execution_count": 2,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 2,
"data": {
"text/plain": "3-element Vector{Any}:\n 789\n 456\n 123"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "keys(d)",
"execution_count": 3,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 3,
"data": {
"text/plain": "KeySet for a Dict{Symbol, Int64} with 3 entries. Keys:\n :baz\n :bar\n :foo"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "values(d)",
"execution_count": 4,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 4,
"data": {
"text/plain": "ValueIterator for a Dict{Symbol, Int64} with 3 entries. Values:\n 789\n 456\n 123"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "length(d)",
"execution_count": 5,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 5,
"data": {
"text/plain": "3"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true,
"scrolled": false
},
"cell_type": "code",
"source": "using Plots\nbar(collect(values(d)); xtick=(1:length(d), keys(d)), label=\"\")",
"execution_count": 6,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 6,
"data": {
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},
"metadata": {}
}
]
},
{
"metadata": {},
"cell_type": "markdown",
"source": "## Vector{Complex}問題"
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "using BenchmarkTools\n\nn = 10^7\na = 1/n\nb = randn(ComplexF64, n);",
"execution_count": 7,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "struct Foo\n a::Float64\n b::Vector{Complex}\nend\n\nF(x::Foo) = x.a*sum(abs2, x.b)\n\nx = Foo(a, b)\n@show typeof(x), fieldtypes(typeof(x))\nF(x)\n@btime F($x)",
"execution_count": 8,
"outputs": [
{
"output_type": "stream",
"text": "(typeof(x), fieldtypes(typeof(x))) = (Foo, (Float64, Vector{Complex}))\n 658.446 ms (20000001 allocations: 305.18 MiB)\n",
"name": "stdout"
},
{
"output_type": "execute_result",
"execution_count": 8,
"data": {
"text/plain": "1.0004496703624222"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "struct Bar\n a::Float64\n b::Vector{ComplexF64}\nend\n\nF(x::Bar) = x.a*sum(abs2, x.b)\n\nx = Bar(a, b)\n@show typeof(x), fieldtypes(typeof(x))\nF(x)\n@btime F($x)",
"execution_count": 9,
"outputs": [
{
"output_type": "stream",
"text": "(typeof(x), fieldtypes(typeof(x))) = (Bar, (Float64, Vector{ComplexF64}))\n 10.477 ms (0 allocations: 0 bytes)\n",
"name": "stdout"
},
{
"output_type": "execute_result",
"execution_count": 9,
"data": {
"text/plain": "1.0004496703624226"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "struct Baz{A, B}\n a::A\n b::B\nend\n\nF(x::Baz) = x.a*sum(abs2, x.b)\n\nx = Baz(a, b)\n@show typeof(x)\nF(x)\n@btime F($x)",
"execution_count": 10,
"outputs": [
{
"output_type": "stream",
"text": "typeof(x) = Baz{Float64, Vector{ComplexF64}}\n 10.398 ms (0 allocations: 0 bytes)\n",
"name": "stdout"
},
{
"output_type": "execute_result",
"execution_count": 10,
"data": {
"text/plain": "1.0004496703624226"
},
"metadata": {}
}
]
},
{
"metadata": {},
"cell_type": "markdown",
"source": "## Vector{Any}問題"
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "f(a::Vector{Any}) = println(a.^2)",
"execution_count": 11,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 11,
"data": {
"text/plain": "f (generic function with 1 method)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "f([1, 2, 3])",
"execution_count": 12,
"outputs": [
{
"output_type": "error",
"ename": "LoadError",
"evalue": "MethodError: no method matching f(::Vector{Int64})\nClosest candidates are:\n f(!Matched::Vector{Any}) at In[11]:1",
"traceback": [
"MethodError: no method matching f(::Vector{Int64})\nClosest candidates are:\n f(!Matched::Vector{Any}) at In[11]:1",
"",
"Stacktrace:",
" [1] top-level scope",
" @ In[12]:1",
" [2] eval",
" @ .\\boot.jl:360 [inlined]",
" [3] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)",
" @ Base .\\loading.jl:1090"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "Vector{Int} <: Vector{Any}",
"execution_count": 13,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 13,
"data": {
"text/plain": "false"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "Vector{Int} <: Vector{<:Any}",
"execution_count": 14,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 14,
"data": {
"text/plain": "true"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "g(a::Vector{<:Any}) = println(a.^2)",
"execution_count": 15,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 15,
"data": {
"text/plain": "g (generic function with 1 method)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "g([1, 2, 3])",
"execution_count": 16,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "Vector{<:Any}",
"execution_count": 17,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 17,
"data": {
"text/plain": "Vector{var\"#s34\"} where var\"#s34\" (alias for Array{var\"#s34\", 1} where var\"#s34\")"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "Vector",
"execution_count": 18,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 18,
"data": {
"text/plain": "Vector{T} where T (alias for Array{T, 1} where T)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "Vector{<:Any} == Vector",
"execution_count": 19,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 19,
"data": {
"text/plain": "true"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "h(a::Vector) = println(a.^2)",
"execution_count": 20,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 20,
"data": {
"text/plain": "h (generic function with 1 method)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "h([1, 2, 3])",
"execution_count": 21,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true,
"scrolled": true
},
"cell_type": "code",
"source": "h(1:3)",
"execution_count": 22,
"outputs": [
{
"output_type": "error",
"ename": "LoadError",
"evalue": "MethodError: no method matching h(::UnitRange{Int64})\nClosest candidates are:\n h(!Matched::Vector{T} where T) at In[20]:1",
"traceback": [
"MethodError: no method matching h(::UnitRange{Int64})\nClosest candidates are:\n h(!Matched::Vector{T} where T) at In[20]:1",
"",
"Stacktrace:",
" [1] top-level scope",
" @ In[22]:1",
" [2] eval",
" @ .\\boot.jl:360 [inlined]",
" [3] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)",
" @ Base .\\loading.jl:1090"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "k(a::AbstractVector) = println(a.^2)",
"execution_count": 23,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 23,
"data": {
"text/plain": "k (generic function with 1 method)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "k([1, 2, 3])",
"execution_count": 24,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "k(1:3)",
"execution_count": 25,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "k(i for i in 1:3)",
"execution_count": 26,
"outputs": [
{
"output_type": "error",
"ename": "LoadError",
"evalue": "MethodError: no method matching k(::Base.Generator{UnitRange{Int64}, typeof(identity)})\nClosest candidates are:\n k(!Matched::AbstractVector{T} where T) at In[23]:1",
"traceback": [
"MethodError: no method matching k(::Base.Generator{UnitRange{Int64}, typeof(identity)})\nClosest candidates are:\n k(!Matched::AbstractVector{T} where T) at In[23]:1",
"",
"Stacktrace:",
" [1] top-level scope",
" @ In[26]:1",
" [2] eval",
" @ .\\boot.jl:360 [inlined]",
" [3] include_string(mapexpr::typeof(REPL.softscope), mod::Module, code::String, filename::String)",
" @ Base .\\loading.jl:1090"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "l(a) = println(a.^2)",
"execution_count": 27,
"outputs": [
{
"output_type": "execute_result",
"execution_count": 27,
"data": {
"text/plain": "l (generic function with 1 method)"
},
"metadata": {}
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "l([1, 2, 3])",
"execution_count": 28,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "l(1:3)",
"execution_count": 29,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "l(i for i in 1:3)",
"execution_count": 30,
"outputs": [
{
"output_type": "stream",
"text": "[1, 4, 9]\n",
"name": "stdout"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "",
"execution_count": null,
"outputs": []
}
],
"metadata": {
"@webio": {
"lastKernelId": null,
"lastCommId": null
},
"kernelspec": {
"name": "julia-1.6",
"display_name": "Julia 1.6.0-beta1",
"language": "julia"
},
"language_info": {
"file_extension": ".jl",
"name": "julia",
"mimetype": "application/julia",
"version": "1.6.0"
},
"toc": {
"nav_menu": {},
"number_sections": true,
"sideBar": true,
"skip_h1_title": true,
"base_numbering": 1,
"title_cell": "Table of Contents",
"title_sidebar": "Contents",
"toc_cell": true,
"toc_position": {},
"toc_section_display": true,
"toc_window_display": false
},
"gist": {
"id": "ef0c4bfd0dbd00b810b93f365ca2097a",
"data": {
"description": "plot Dict and Vector{Any}",
"public": true
}
},
"_draft": {
"nbviewer_url": "https://gist.github.com/ef0c4bfd0dbd00b810b93f365ca2097a"
}
},
"nbformat": 4,
"nbformat_minor": 4
}
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