Finding maximum value is failing

I'm trying to find the maximum value of a curve. simple stuff.

but it fails and gives totally wrong answers.

File is attached M14

Best answer by RichardJ

The answer it's giving you is correct, it's just not the answer you want.

Answer

19-Tanzanite

The answer it's giving you is correct, it's just not the answer you want.

Author

1-Visitor

Thank you

btw which of these is the fastest Quasi-Newton, Conjugate gradient or Maximize function

19-Tanzanite

Maximize uses either Conjugate Gradient or Quasi-Newton as the algorithm. There is no way to know a-priori which will be faster.

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