fminunc and fminsearch different x(1) and x(2) value with no initial starting point

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melissa tan 2018-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/429109-fminunc-and-fminsearch-different-x-1-and-x-2-value-with-no-initial-starting-point

评论： Torsten 2018-11-12

I was given a question to find a minimization of an equation for two dimensional case but i am not giving any initial point . I have use both fminsearch and fminunc to try the minimization value but give me different x(1) and x(2). For fminsearch no matter how i change the initial point the result give me the same . On the other hand , for fminunc when i change the initial point , it always give me different x(1) and x(2) values . So which one is correct one? I am confused .