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Sean, Thanks for your reply! In the meantime, also following your hints, I am able to make the fit: 1. I ignore the error messages. 2. I had already applied appropriate start values. But now I have further confined them using Exp[] for positive...
Hi Gianluca, Thanks a lot for your reply. I have changed my script according to your suggestion and it is working much better now. The integral can be calculated and plotted in reasonable time, as you have written. However, using the Manipulate...