Error using barrier Objective function is undefined at initial point. Fmincon cannot continue. Error fmincon (line 848)

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Ivan Dwi Putra 2020-11-9

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https://ww2.mathworks.cn/matlabcentral/answers/641580-error-using-barrier-objective-function-is-undefined-at-initial-point-fmincon-cannot-continue-error

编辑： Ivan Dwi Putra 2020-11-10

I run my main program Train_PF.m. In my main program Train_PF.m , I have declared the initial point u0 as initial point. But there is error said undefined at initial point.

 Steps i= 2
Elapsed time is 1.780754 seconds.
Elapsed time is 0.037505 seconds.
Elapsed time is 0.025071 seconds.
Elapsed time is 0.024210 seconds.
Elapsed time is 0.028659 seconds.
Elapsed time is 0.028935 seconds.
Elapsed time is 0.028281 seconds.
 Steps i= 3
Error using barrier
Objective function is undefined at initial point. Fmincon cannot continue.
Error in fmincon (line 848)
    [X,FVAL,EXITFLAG,OUTPUT,LAMBDA,GRAD,HESSIAN] = barrier(funfcn,X,A,B,Aeq,Beq,l,u,confcn,options.HessFcn, ...
Error in Train_PF (line 115)
    [u, Cost(i,1), Exitflg(i,1), output] = fmincon(@(u) Fungsicos( Np, Tim_step, X0 ,u,
    Vehicle_Type,Q1,Xdes,R1,F1,Xa,G1,Xnba), ...