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Re: CURVFIT with XY error [message #88466 is a reply to message #88447]

Tue, 29 April 2014 21:01

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

On Sunday, April 27, 2014 5:31:55 PM UTC-4, Amin Farhang wrote:
>
> Is there any replacing routine for CURVFIT which was able to do a non-linear least squares fit to a user-supplied function by considering both X and Y error?

Not in IDL for the general case. Numerical recipes does give an algorithm for errors in both variables if the model function is purely linear.

Craig

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[Message index]

		CURVFIT with XY error By: amin farhang on Sun, 27 April 2014 14:31
		Re: CURVFIT with XY error By: Craig Markwardt on Tue, 29 April 2014 21:01
		Re: CURVFIT with XY error By: wlandsman on Mon, 09 February 2015 11:42
		Re: CURVFIT with XY error By: brubaker.phil on Mon, 09 February 2015 10:05
		Re: CURVFIT with XY error By: Craig Markwardt on Mon, 09 February 2015 10:10
		Re: CURVFIT with XY error By: brubaker.phil on Tue, 10 February 2015 08:42
		Re: CURVFIT with XY error By: dg86 on Tue, 10 February 2015 09:16
		Re: CURVFIT with XY error By: Russell[1] on Tue, 10 February 2015 10:33
		Re: CURVFIT with XY error By: Craig Markwardt on Tue, 10 February 2015 11:11
		Re: CURVFIT with XY error By: brubaker.phil on Fri, 13 February 2015 11:30

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