rint(&#39;u1 continguous&#39;, u1.flags.contiguous)</span>

                <span class="n">left_mats</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">u1</span><span class="p">)</span>
                <span class="n">left_mats</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">u2</span><span class="p">)</span>
                <span class="n">central_mats</span><span class="o">.</span><span class="n">append</spa