src/CoxGroups.jl#L703-L722">source</a></section><section><div><p><code>coxeter_matrix(W)</code> or <code>coxmat</code></p><p>returns the Coxeter matrix of the Coxeter group <code>W</code>, that is the matrix <code>m</code> whose  entry <code>m[i,j]</code> contains the order of <code>W(i)*W(j)</code> where <code>W(i)</code> is the <code>i</code>-th  Coxeter generator of  <code>W</code>. An infinite  order is represented by the entry <code>0</code>.</p><pre><code class="language-julia-repl hljs">julia&gt; W=c