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Robi
Posts:
1
Registered:
12/7/04
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how to put boundary/limit in fsolve?
Posted:
Jul 25, 1996 10:24 AM
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Hi,
Sorry, I mispelled my return address in the previous one.
I need to fit data from our experiment using fsolve. The equation is
X1*exp(-t/X2) + X3*exp(-t/X4) + X5. A simple equation.
From experimental data, we can estimate the values of X1 and X5 within a
certain range. I am using fsolve function.
My question are:
1. Do you know a way which I can put a range/limit for X5 and/or X1
values before/during the iteration process?
I could not find any clues from Optim. manual, am I missing something?
2. Are there fitting programs/functions like fsolve which can be used
for non-continuous functions reliably?
thanks
robi
robi@bart.rprc.washington.edu
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