llow this command
with the <tt class="docutils literal"><span class="pre">cvx_save_prefs</span></tt> command.</p>
</div>
</div>
<div class="section" id="power-functions-and-p-norms">
<span id="powerfunc"></span><h2>Power functions and p-norms<a class="headerlink" href="#power-functions-and-p-norms" title="Permalink to this headline">¶</a></h2>
<p>In order to implement the convex or concave branches of the power
function <span class="math">\(x^p\)</span> and <span class="math">\(p\)</span>-norms <span class