t on ordered sequences. One example is the set of
cut points in ordered logistic regression.</p>
<p>In constraint terms, an ordered <span class="math inline">\(K\)</span>-vector <span class="math inline">\(x \in \mathbb{R}^K\)</span> satisfies</p>
<p><span class="math display">\[
x_k &lt; x_{k+1}
\]</span></p>
<p>for <span class="math inline">\(k \in \{ 1, \ldots, K-1 \}\)</span>.</p>
<div id="ordered-transform" class="section level3 unnumbered">
<h3>Ordered transform</h3>
<p>Stan’s transform follows the 