ass="n">npar</span> <span class="o">=</span> <span class="mi">1000</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">SMxy</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nframe</span><span class="p">,</span> <span class="n">npar</span><span class="p">))</span>
<span class="gp">&gt;&gt;&gt; </span><span class="k">for</span> <span class="n">frame</span> <span class="ow">in</span> <span class="nb">ra