p">self</span><span class="o">.</span><span class="n">poi_grid</span> <span class="o">=</span> <span class="n">torch</span><span class="o">.</span><span class="n">linspace</span><span class="p">(</span><span class="n">start</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">poi_space_bounds</span><span class="p">[</span><span class="s1">&#39;low&#39;</span><span class="p">],</span> <span class="n">end</span><span class="o">=</span><span class="bp">self</span><s