How do I implement multistart with lsqnonlin in my code?

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I'm trying to find the parameter to describe the tansport of a chemical. I used lsqnonlin to find the value, but it returns the initial value. Hence, I wondered that if multistart can solve my problem.
The attachments are the data I used, and my code......

Answers (1)

Bruno Luong
Bruno Luong on 10 Aug 2022
Edited: Bruno Luong on 10 Aug 2022
"it returns the initial value"
It indicates that the fit fails, not problem of wrong stating points (converge to local minima).




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