on">
    <p>Compute column vector of first derivatives and matrix of second
derivatives of univariate function.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">score</span><span class="op">(</span><span class="va">expr</span>, <span class="va">vars</span>, simplify <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">hessian</span><span class="op">(</span><span c