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Re: QROMB [message #39887 is a reply to message #34043]

Tue, 15 June 2004 08:57

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

New2IDL wrote:
> hi,
> The function I am trying to integrate is :
>
> F(x) = a*exp(-b*(x^2))
>
> where: a and b are parameters
> x ranges from 0,20
>
> We have experimental data to fit with the above integral (a and b as
> parameters to be found from fit).
>
> When I tried to integrate the above mentioned funciton with QROMB we
> get a single value as the answer. I cannot fit this value to my data.
>
> Can anybody please help me to get the F(x) value for each value of X.

If you want to fit the data, why are you integrating it? Check out Craig Markwardt's IDL
fitting package MPFIT at
http://cow.physics.wisc.edu/~craigm/idl/fitting.html

paulv

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[Message index]

		QROMB and parameters By: mikko.inkinen on Thu, 13 February 2003 06:18
		Re: QROMB By: Craig Markwardt on Tue, 15 June 2004 15:05
		Re: QROMB By: mmeron on Tue, 15 June 2004 13:06
		Re: QROMB By: Paul Van Delst[1] on Tue, 15 June 2004 08:57

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