How can I handle this error message"Undefined function or method 'fminusub' for input arguments of type 'cell'. Error in ==> fminunc at 360 [x,FVAL,GRAD,HESSIAN,EXITFLAG,OUTPUT] = fminusub(funfcn,x, ..."

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heba silem on 12 Jan 2017

Edited: Stephen23 on 12 Jan 2017

Hi every one ,

I get this error message when I trying to get optimization parameters use this toolbox Fminunc, why he see this sub function 'fminusub' undefined

KSSV on 12 Jan 2017

How you have called that function? Show he code.

Stephen23 on 12 Jan 2017

Edited: Stephen23 on 12 Jan 2017

@heba silem: Have you moved fminunc to another directory, or made a copy of it?

fminusub is a private function of fminunc, and it will only work if fminunc is the its default location.

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How can I handle this error message"Undefined function or method 'fminusub' for input arguments of type 'cell'. Error in ==> fminunc at 360 [x,FVAL,GR​AD,HESSIAN​,EXITFLAG,​OUTPUT] = fminusub(funfcn,x, ..."