  </p>
<p>
          The next graph illustrates the effect of the scale parameter on the PDF:
        </p>
<p>
          <span class="inlinemediaobject"><img src="../../../../graphs/lognormal_pdf2.svg" align="middle"></span>
        </p>
<h5>
<a name="math_toolkit.dist_ref.dists.lognormal_dist.h0"></a>
          <span class="phrase"><a name="math_toolkit.dist_ref.dists.lognormal_dist.member_functions"></a></span><a class="link" href="lognormal_dist.html#math_toolkit.dist_ref.dists.lognormal_dist.member_func