">[docs]</a>
<span class="k">def</span> <span class="nf">DE_cspace</span><span class="p">(</span><span class="n">xyzt</span><span class="p">,</span> <span class="n">xyzr</span><span class="p">,</span> <span class="n">dtype</span> <span class="o">=</span> <span class="s1">&#39;xyz&#39;</span><span class="p">,</span> <span class="n">tf</span> <span class="o">=</span> <span class="n">_CSPACE</span><span class="p">,</span> <span class="n">DEtype</span> <span class="o">=</span> <span class="s1">&#39;jab&#39;</sp