an><span class="p">(</span><span class="s1">&#39;$x(t)$&#39;</span><span class="p">,</span> <span class="n">size</span> <span class="o">=</span> <span class="n">TextSize</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">xlim</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="nb">len</span><span class="p">(</span><span class="n">ts</span><span class="p">))</span>

<span class="n">ax</span> <span class="o">=</span> <span c