an><span class="o">.</span><span class="n">compart_type</span><span class="p">[</span><span class="n">m</span><span class="p">]])</span>
    <span class="n">model</span><span class="o">.</span><span class="n">chr_system</span><span class="o">.</span><span class="n">getForce</span><span class="p">(</span><span class="n">index_spec_spec_potential</span><span class="p">)</span><span class="o">.</span><span class="n">updateParametersInContext</span><span class="p">(</span><span class="n">simulation</span><span 