Optimset applied to fminunc

[lucam1968]

Hello,

I am quite new to Octave and provided I have a quite "heavy" optimisation
problem (> 2 hours machine running time). 

I would like to print the iteration # during the running of fminunc so that
I can check the progress made. however, I do not seem to succeed - i.e.
nothing is printed:

options = optimset('Display', 'iter', 'MaxIter', 50);
[nn_params, cost] = fminunc(costFunction, initial_nn_params, options);

Any idea on how can I solve that?

Thanks,

Luca



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