<a href='spn_Post.html'>spn_Post</a></code>) matrix, and then calculates the final stoichiometry.</p>
    </div>

    <pre class="usage"><span class='fu'>spn_S</span>(<span class='no'>spn_P</span>, <span class='no'>spn_T</span>)</pre>

    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>spn_P</th>
      <td><p>set of places (P) (see details)</p></