vel2">
<h2 class="anchored" data-anchor-id="variable-naming">Variable naming</h2>
<p>The recommended variable naming is to follow C/C++ naming conventions, in which variables are lowercase, with the underscore character (<code>_</code>) used as a separator. Thus it is preferred to use <code>sigma_y</code>, rather than the run together <code>sigmay</code>, camel-case <code>sigmaY</code>, or capitalized camel-case <code>SigmaY</code>. An exception is often made for terms appearing in mathematical expressions 