functions" class="section level1">
<h1><span class="header-section-number">9</span> Higher-Order Functions</h1>
<p>Stan provides a few higher-order functions that act on other
functions. In all cases, the function arguments to the higher-order
functions are defined as functions within the Stan language and passed
by name to the higher-order functions.</p>
<ul>
<li><a href="functions-algebraic-solver.html">Algebraic Equation Solver</a></li>
<li><a href="functions-ode-solver.html">Ordinary Differential Equati