class="r-in"><span><span class="fu">plot_fnet</span><span class="op">(</span>N <span class="op">=</span> <span class="fl">10</span>, prev <span class="op">=</span> <span class="fl">1</span><span class="op">/</span><span class="fl">4</span>, sens <span class="op">=</span> <span class="fl">3</span><span class="op">/</span><span class="fl">5</span>, spec <span class="op">=</span> <span class="fl">2</span><span class="op">/</span><span class="fl">5</span>, area <span class="op">=</span> <span class="st">"sq"</s