260"></a><span class="lineno">  260</span>    <span class="comment">//tex:</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>    <span class="comment">// $$</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>    <span class="comment">// \begin{bmatrix}</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>    <span class="comment">// 0 &amp; w_0 &amp; w_1 \\</span></div>
<d