prng-vectorization">vectorized PRNG functions</a>.</p>
<small><i>Available since 2.18</i></small>
</section>
</section>
<section id="inverse-gamma-distribution" class="level2">
<h2 class="anchored" data-anchor-id="inverse-gamma-distribution">Inverse gamma Distribution</h2>
<section id="probability-density-function-6" class="level3">
<h3 class="anchored" data-anchor-id="probability-density-function-6">Probability density function</h3>
<p>If <span class="math inline">\(\alpha \in \mathbb{R}^+\)</span> and <sp