>
<dl class="py function">
<dt class="sig sig-object py" id="splicejac.tools.estimate_jacobian.initial_check">
<span class="sig-prename descclassname"><span class="pre">splicejac.tools.estimate_jacobian.</span></span><span class="sig-name descname"><span class="pre">initial_check</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">adata</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">frac</span></span></em>, <em class="sig-param"><