.io/r/base/t.html">t</a></span><span class="op">(</span><span class="va">L1</span><span class="op">)</span> <span class="op">%*%</span> <span class="va">L1</span><span class="op">)</span> <span class="op">/</span> <span class="va">v2</span></code></pre></div>
<p><span class="math display">\[\begin{align} 
    K_1 &amp;= \left[\begin{matrix}\frac{a^{2} + 1}{v_{2}} &amp; - \frac{a}{v_{2}} &amp; 0 &amp; 0\\- \frac{a}{v_{2}} &amp; \frac{a^{2} + 1}{v_{2}} &amp; - \frac{a}{v_{2}} &amp; 0\\0 &amp; - \frac{a}{v_{2}