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Re: the problem of PERROR in MPFITFUN [message #53076]

Thu, 15 March 2007 08:36

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

"duxiyu@gmail.com" <duxiyu@gmail.com> writes:

> In my work, independent variable X is time and measured dependent
> variable Y is magnetic field. The instrument do not give the measured
> error.
> Do I use 1 in MPFITFUN for errors of Y?
> Is the PERROR useless at this time?

Also, I recommend that you consult,
http://cow.physics.wisc.edu/~craigm/idl/mpfittut.html
and the citation to Bevington, Chapter 6.4.

Craig

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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@REMOVEcow.physics.wisc.edu
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[Message index]

		Re: the problem of PERROR in MPFITFUN By: Craig Markwardt on Thu, 15 March 2007 08:36
		Re: the problem of PERROR in MPFITFUN By: Craig Markwardt on Thu, 15 March 2007 08:34
		Re: the problem of PERROR in MPFITFUN By: Vince Hradil on Thu, 15 March 2007 08:31
		Re: the problem of PERROR in MPFITFUN By: James Kuyper on Thu, 15 March 2007 07:44

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