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<h1>Fit a parabola through three points</h1>
<small class="dont-index">Source: <a href='https://github.com/jranke/pfm/blob/master/R/PEC_soil.R'><code>R/PEC_soil.R</code></a></small>
<div class="hidden name"><code>get_vertex.Rd</code></div>
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<p>This was inspired by an answer on stackoverflow
https://stackoverflow.com/a/717791</p>
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<pre class="usage"><span class='fu'>get_vertex</span>(<span class='no'>x</span>, <span class='no'>y</span>)</pre>
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