yspecdata.lmfitdata.functional_form" class="sphx-glr-backref-module-pyspecdata sphx-glr-backref-type-py-property"><span class="n">thisfit</span><span class="o">.</span><span class="n">functional_form</span></a> <span class="o">=</span> <span class="p">(</span>
    <span class="n">A</span>
    <span class="o">*</span> <span class="n">sp</span><span class="o">.</span><span class="n">exp</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="n">j</span> <span class="o">*</s