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Re: IDL - EXP fitting function [message #65918 is a reply to message #65917]

Thu, 26 March 2009 15:15

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

> glen_andy@hotmail.com writes:
>
>> Greetings everyone! My first post! I have some data x, y, that i would
>> like to fit to a fitting function of the kind yfit = EXP(a+ b*x).
>> where a and b are constants which i would like found. Any ideas on how
>> to do this?
>
> ab = LinFit(x, y)
> a = ab[0]
> b = ab[1]

Whoops! Hang on. Trying to do too many things at
once. :-)

Give me a couple of minutes and I'll see if I can
find the right answer here. Didn't notice that
EXPONENT thing there. :-(

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: IDL - EXP fitting function By: glen_andy on Fri, 27 March 2009 09:13
		Re: IDL - EXP fitting function By: Vince Hradil on Fri, 27 March 2009 07:03
		Re: IDL - EXP fitting function By: pgrigis on Fri, 27 March 2009 06:50
		Re: IDL - EXP fitting function By: Vince Hradil on Fri, 27 March 2009 06:38
		Re: IDL - EXP fitting function By: pgrigis on Fri, 27 March 2009 06:27
		Re: IDL - EXP fitting function By: Maarten[1] on Fri, 27 March 2009 03:13
		Re: IDL - EXP fitting function By: Vince Hradil on Thu, 26 March 2009 19:11
		Re: IDL - EXP fitting function By: Christopher Thom on Thu, 26 March 2009 15:55
		Re: IDL - EXP fitting function By: glen_andy on Thu, 26 March 2009 15:33
		Re: IDL - EXP fitting function By: glen_andy on Thu, 26 March 2009 15:25
		Re: IDL - EXP fitting function By: David Fanning on Thu, 26 March 2009 15:15
		Re: IDL - EXP fitting function By: David Fanning on Thu, 26 March 2009 15:12

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