Fukuda

<h1 id="mermaid" data-line="0" class="code-line">
<a class="header-anchor-link" href="#mermaid" aria-hidden="true"></a> mermaid</h1>
<span class="embed-block zenn-embedded zenn-embedded-mermaid"><iframe id="zenn-embedded__41d8d102852d8" src="https://embed-itg.zenn.studio/mermaid#zenn-embedded__41d8d102852d8" data-content="graph%20TD%3B%0A%20%20%20%20A--%3EB%3B%0A%20%20%20%20A--%3EC%3B%0A%20%20%20%20B--%3ED%3B%0A%20%20%20%20C--%3ED%3B" frameborder="0" scrolling="no" loading="lazy"></iframe></span>

<h1 id="katexs" data-line="0" class="code-line">
<a class="header-anchor-link" href="#katexs" aria-hidden="true"></a> katexs</h1>
<section class="zenn-katex code-line" data-line="2"><eqn><embed-katex display-mode="1">-c{\bold e}_x = a{\bold e}_\alpha + b\tilde{\bold e}_\alpha</embed-katex></eqn></section>
