="Automatic-Removal-of-Redundant-Constraints-1"></a><a class="docs-heading-anchor-permalink" href="#Automatic-Removal-of-Redundant-Constraints" title="Permalink"></a></h2><p>This situation applies to standard linear programs when the rank of the matrix <code>[A b]</code> is less than the number of rows. This implies that some of the equations <code>A*x == b</code> are redundant.  The <code>Tableaux</code> function automatically removes redundant rows. </p><pre><code class="nohighlight hljs">julia&gt; A = [1