When finding the max value of a function. How can I get the most accuarate value?

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We got asked to find the max value of a function using "fminbnd", got that part, the closest to the real value gets rewarded. How do I know if I could be closer?
x=-10:0.01:10;
options1=optimset('TolFun',1e-7);
[xa,fval1] = fminbnd(fneg,x1,x2,options1);
  1 Comment
Walter Roberson
Walter Roberson on 10 Nov 2021
You might want to reduce the minimum step size, or adjust some of the other tolerances so that it tries harder to find the maximum.

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Answers (1)

Abhishek Kolla
Abhishek Kolla on 10 Nov 2021
Hi ,
fminbnd function returns the point where the function takes minimum value in the given interval and fval1 need not be maximum value.

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