 Must be a positive real number. Default value is <span class="math inline">\(1^{-8}\)</span>.</p></li>
<li><p><code>tol_rel_grad</code> - Convergence tolerance on the relative norm of the gradient. Must be a positive real number. Default value is <span class="math inline">\(1^{7}\)</span>.</p></li>
<li><p><code>tol_param</code> - Convergence tolerance on changes in parameter value. Must be a positive real number. Default value is <span class="math inline">\(1^{-8}\)</span>.</p></li>
</ul>
<p>The <code>init