Optimization to fit a curve to data (problem with the InitialPopulationMatrix)

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I am triying to fit the eclosed data using optimoptions, and for that I used the gradient descent.
This is the objective function, but in case someone has better idea would be great!
x = 1:size(Data,2);
I think I have to add the 'InitialPopulationMatrix' but I didn't know how to add it
I would appreciate any help & Thanks!


Matt J
Matt J 2023-5-19
Instead of
x = 1:size(Data,2);
perhaps try a more normalized range of x, e.g.,

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