#160;\begin{sagesilent}</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;latex.matrix_delimiters(&quot;\{&quot;,&quot;\}&quot;)</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;\end{sagesilent}</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;\section{Storey Shear Force}</div>
<div class="line"><a name="l00119"></a><span