lass="lineno">   48</span>&#160;Omega Square</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;\begin{equation}</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;   [\omega^2] =\sage{Omega_square.transpose()}</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;\end{equation}</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span 