How do I implement multistart with lsqnonlin in my code?

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Yi Peng Biao
Yi Peng Biao 2022-8-10
编辑： Bruno Luong 2022-8-10
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......

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Bruno Luong
Bruno Luong 2022-8-10
编辑：Bruno Luong 2022-8-10
"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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