          <span class="n">jcol</span><span class="p">(</span><span class="n">innz</span><span class="p">)</span> <span class="o">=</span> <span class="n">jr2</span>
            <span class="n">irow</span><span class="p">(</span><span class="n">innz</span><span class="p">)</span> <span class="o">=</span> <span class="n">ir2</span>
            <span class="n">a_elt</span><span class="p">(</span><span class="n">innz</span><span class="p">)</span> <span class="o">=</span> <span class="n">a_elt</span><span class