eption</span><span class="p">(</span><span class="s2">&quot;Difference and dot multiply require that the input dimensions should be the same&quot;</span><span class="p">)</span></div></div>


<div class="viewcode-block" id="Combination"><a class="viewcode-back" href="../../../block_zoo.op.html#block_zoo.op.Combination.Combination">[docs]</a><span class="k">class</span> <span class="nc">Combination</span><span class="p">(</span><span class="n">nn</span><span class="o">.</span><span class="n">Module</span><sp