/span> <span class="Identifier">cdouble</span>           <span class="Comment">## Finite derivative step size               Default: MP_MACHEP0</span>
  <span class="Identifier">stepfactor</span><span class="Operator">*</span><span class="Other">:</span> <span class="Identifier">cdouble</span>       <span class="Comment">## Initial step bound                     Default: 100.0</span>
  <span class="Identifier">covtol</span><span class="Operator">*</span><span class="Other">:</span> <span class="Identifier">