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Re: help to resolve a intricate equation [message #55746 is a reply to message #55649]

Sat, 08 September 2007 22:09

Sven Geier
Messages: 17
Registered: July 2002

Junior Member

highstone wrote:

> hello all
> there is a equation like
> X^2+A*X=C+A
> where X is a matrix to resolve, A is a known matrix, C is a constant
> (actually X,A is a grid image)
>
> is there any method can resolve this type equation such as least-
> squares method or others? can be based on IDL ?
>
> I am not well up in maths, please as particular as possible, thank
> you.

I am probably completely misunderstanding what you're trying to do, but...

X^2 + A*X = C+A

=> X^2 -C = A (1-X)

=> A = (X^2 -C)/(1-X)

but you probably meant something entirely different...

-- S

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[Message index]

		help to resolve a intricate equation By: highstone on Tue, 28 August 2007 19:12
		Re: help to resolve a intricate equation By: Sven Geier on Sun, 09 September 2007 09:38
		Re: help to resolve a intricate equation By: James Kuyper on Sun, 09 September 2007 06:48
		Re: help to resolve a intricate equation By: Sven Geier on Sat, 08 September 2007 22:09

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