>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu">circle_from_3_points</span><span class="op">(</span><span class="fu"><a href="ob_point.html">ob_point</a></span><span class="op">(</span><span class="fl">1</span>,<span class="fl">1</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>                 