ass="p">:</span>
        <span class="c1">#ax.quiver(jabr[...,1],jabr[...,2],jabt[...,1]-jabr[...,1], jabt[...,2]-jabr[...,2], color = &#39;k&#39;, headlength=3, angles=&#39;uv&#39;, scale_units=&#39;xy&#39;, scale = 1,linewidth = 0.5)</span>
        <span class="k">if</span> <span class="n">plot_vectors</span> <span class="o">==</span> <span class="kc">True</span><span class="p">:</span>
            <span class="n">ax</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span cl