*sqrt(2*pi)) * ((x-mu)/sigma)^2 * exp(-0.5 ((x-mu)/sigma)^2)
</pre>

<p>where <code>loc = mu</code> and <code>scale = sigma</code>.
The DoublesidedMaxwell distribution is a member of the
<a href='https://en.wikipedia.org/wiki/Location-scale_family'>location-scale family</a>,
i.e., it can be constructed as,</p><pre><span class='va'>X</span> <span class='op'>~</span> <span class='fu'>DoublesidedMaxwell</span><span class='op'>(</span>loc<span class='op'>=</span><span class='fl'>0</span>, scale<span class='op'>