 method. In particular, it's worthwhile to check the exit flag. A zero (0) indicates successful termination with the gradient smaller than the specified StopTol, and a three (3) indicates a successful termination where the change in function value is less than RelFuncTol. The meaning of any other flags can be checked via <a href="matlab:doc('poblano_params')">doc poblano_params</a>.</p><pre class="codeinput">exitflag = output.ExitFlag
</pre><pre class="codeoutput">
exitflag =

     0

</pre><h2 id="13">Eval