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Re: Positive solution for linear equations [message #66049 is a reply to message #66039]

Mon, 13 April 2009 06:51

David Gell
Messages: 29
Registered: January 2009

Junior Member

On Apr 12, 6:53 am, erano <eran.o...@gmail.com> wrote:
> I am trying to find the solution for a series linear equations: Ax =B,
> where A is a n by m matrix and B is a vector .
> I use the IDL function SVDC but I wish the solution x to be positive
> vector.
> How can I do so?
> Thanks,
> Eran

Eran,

I assume that you wish each component of vector x is to be positive,
so what you have is a linear programming problem. Try using the
simplex method. For information on the simplex method, see Press,
et.al. "Numerical Recipes".

Dave

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[Message index]

		Re: Positive solution for linear equations By: erano on Mon, 13 April 2009 21:18
		Re: Positive solution for linear equations By: David Gell on Mon, 13 April 2009 06:51
		Re: Positive solution for linear equations By: David Fanning on Sun, 12 April 2009 09:58
		Re: Positive solution for linear equations By: Vince Hradil on Sun, 12 April 2009 09:24

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