an class="mi">1</span><span class="o">-</span><span class="p">.</span><span class="mi">1</span> <span class="mi">2</span><span class="o">*</span><span class="mi">1</span><span class="o">/</span><span class="mi">5</span><span class="o">-</span><span class="p">.</span><span class="mi">1</span><span class="p">])</span> <span class="p">;</span>
<span class="n">plot</span><span class="p">(</span><span class="n">I</span><span class="p">(</span><span class="k">end</span><span class="o">/</span><span class="mi">2</