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Re: MPFIT2DFUN- use for a time series of images? [message #87551 is a reply to message #75507]

Fri, 14 February 2014 11:47

rajen.water
Messages: 1
Registered: February 2014

Junior Member

On Thursday, March 10, 2011 3:01:14 PM UTC-5, Katie wrote:
> I want to fit pixel values to a logistic model that each have X, Y
> coordinates and a day of the year value associated with them. I see
> from the MPFIT2DFUN documentation how to define X, Y for a each Z
> dependent value and the dependent error value, but can a third
> variable (day of the year in this case) be defined in order to fit a
> curve in MPFIT2DFUN? I currently have each each date as a separate
> band in a stacked image file that I exported as an ASCII file. I want
> to determine the day of the year that the pixel values (vegetation
> indices) reach a value on the the curve.
>
> Any suggestions, or perhaps I am not understanding the MPFIT2DFUN
> correctly (I am very new to IDL)?

Hi Katie,
Were you able to solve your problem? I do have the similar problem now.

Best,
Rajendra

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[Message index]

		MPFIT2DFUN- use for a time series of images? By: Katie[1] on Thu, 10 March 2011 12:01
		Re: MPFIT2DFUN- use for a time series of images? By: rajen.water on Fri, 14 February 2014 11:47
		Re: MPFIT2DFUN- use for a time series of images? By: Craig Markwardt on Fri, 14 February 2014 21:56

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