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Re: Placing constraints on Interpol [message #55720]

Tue, 04 September 2007 07:22

mattf
Messages: 13
Registered: January 2007

Junior Member

On Sep 3, 3:23 pm, Vidhya <vidh...@gmail.com> wrote:
> Dear All,
>
> Is it possible in IDL to place constraints while interpolation such
> that the elements should not be zero and all the elements add up to 1?
>
> Any ideas?
>
> Vidhya

Generally, natural constraints on interpolation are -local- (e.g.,
constraints on the value or slope of interpolated data), but the
constraints you're talking about sound global. This suggests that you
should work backwards-- start out with an approximate global solution
that satisfies your global constraints, and then make small variations
on that starting solution (based on local data) that maintain the
constraints.

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		Re: Placing constraints on Interpol By: mattf on Tue, 04 September 2007 07:22
		Re: Placing constraints on Interpol By: Conor on Tue, 04 September 2007 05:17

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