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MPFITFUN [message #50948]

Fri, 27 October 2006 09:43

nolan.smith1
Messages: 12
Registered: June 2005

Junior Member

Hello,

I have a little problem with mpfitfun.pro and I was wondering if anyone
has any suggestions
on how to solve it. I am using mpfitfun to perform a fit in a function
that is the sum of 2 exponentials
and a quadratic. The fit works very good but the result is giving me
some negative values Y values
which physically do not make sense (the numbers on Y are numbers per
bin so they are positive).
The negative values are only 3 (out of the 50 bins) and they never go
lower than -1, so they do not go very low. Is there any way to limit
the Y to be positive (like we do with the parameters?).

Thank you,
NS

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