s="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">linspace</span><span class="p">(</span><span class="n">rmin</span><span class="p">,</span> <span class="n">rmax</span><span class="p">,</span> <span class="n">rsteps</span><span class="p">)</span>
    <span class="n">energy_values</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">rsteps</span><span class="p">)</span>

    <span cla