Polytope Model
&gt; <i>no iteration of the inner loop depends on the previous iteration&#x27;s results</i><p>&gt; <i>a[i - j][j] = ... + a[i - j][j - 1]</i><p>Not seeing how the iteration for <i>j</i> doesn&#x27;t depend on the result for <i>j - 1</i> if it&#x27;s invoked right there in the expression.