Created
February 16, 2015 12:05
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PythonTeXを用いて、図の作成と文書への埋め込みを一度に行う例。とりあえず動作を確認した程度。
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\documentclass[a4j]{jsarticle} | |
% Unicode文字を使用できるようにする | |
\usepackage[T1]{fontenc} | |
\usepackage[utf8]{inputenc} | |
% 数式の記述に用いる | |
\usepackage{amsmath} | |
% 図の埋め込みに用いる | |
\usepackage[dvipdfmx]{graphicx} | |
% PythonTeXを利用する | |
\usepackage{pythontex} | |
\title{Python\TeX を用いた図の作成と埋め込み} | |
\author{はむ吉(のんびり)} | |
\date{\today} | |
\begin{document} | |
\maketitle | |
図\ref{fig:graph}は関数$f(x)=|x|/x$とその$n=5$までのFourier級数展開を図示したものである。 | |
\begin{sympycode} | |
#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
filename = "graph.pdf" | |
l = [-mpmath.pi, mpmath.pi] # 定義域 | |
n = 5 # 項の数 | |
f0 = lambda x: abs(x)/x # もとの関数 | |
cs = mpmath.fourier(f0, l, n) # Fourier級数の係数 | |
f1 = lambda x: mpmath.fourierval(cs, l, x) # f0のFourier級数展開 | |
mpmath.plot([f0, f1], xlim=l, file=filename) # グラフを出力 | |
# 出力したグラフを文書に埋め込む | |
output = r"""\begin{figure}[htbp] | |
\centering | |
\includegraphics[clip, width=10.0cm]{./[FILENAME]} | |
\caption{Fourier級数展開の例} | |
\label{fig:graph} | |
\end{figure}""".replace("[FILENAME]", filename) | |
print(output) | |
\end{sympycode} | |
\end{document} |
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