Problem with Fitting Data using Fit Panel

[Wile_E_Coyote]

For this kind of data, you might also like this old thread:

Fit unable to minimize

Hello, my fitting routine seems to be unable to produce any proper results. I am not that experienced yet, so it might be a rather simple mistake, but please take a look nonetheless. Here is the code: pastebin.com/Z8vH6v1s Here is the data: pastebin.com/aRKjwVaZ EDIT: data[i] = (0-data[i])+380e3; This line rearranges my data in such a way, that the peaks are positive and start at zero. If possible I want to fit the peaks in their original form, but as I was unable to do so, I settled fo…