s="p">,</span> <span class="n">i_comp</span><span class="p">]</span> <span class="o">+=</span> <span class="n">h</span> <span class="o">*</span> <span class="n">deltas</span><span class="p">[</span><span class="n">i_stencil</span><span class="p">]</span>
                        <span class="n">system_disturbed</span><span class="o">.</span><span class="n">set_positions</span><span class="p">(</span><span class="n">i_pos</span><span class="p">)</span>
                        <span class="n">d1</span> <span c