<div style="padding:40px;color:#cbccc6"><h1>模乘圆心形</h1><p>圆周 n 等分，连 i 到 (m·i) mod n。m=2 心形。</p><div style="padding:20px;background:#0d1017;border-left:3px solid #ffb454"><span class="katex-display"><span class="katex"><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6595em;"></span><span class="mord mathnormal">i</span></span><span class="mspace newline"></span><span class="base"><span class="strut" style="height:0.6595em;"></span><span class="mord mathnormal">t</span><span class="mord mathnormal">o</span><span class="mord mathnormal">mi</span></span><span class="mspace newline"></span><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">bm</span><span class="mord mathnormal">o</span><span class="mord mathnormal">d</span><span class="mord mathnormal">n</span></span></span></span></span></div><p style="color:#707a8c">该页面需要 JavaScript 进行交互式可视化。</p></div>