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Re: Matrix rank [message #57543 is a reply to message #57542]

Fri, 14 December 2007 07:41

d.poreh
Messages: 406
Registered: October 2007

Senior Member

On Dec 14, 3:35 pm, Vince Hradil <hrad...@yahoo.com> wrote:
> On Dec 14, 8:16 am, Wox <nom...@hotmail.com> wrote:
>
>> Hi IDLers,
>
>> Is there a routine available which calculates the rank of an (integer)
>> matrix? Couldn't find it in the help and I would be surprised if it's
>> not there. It's for knowing whether sets of linear equations have no
>> solution, 1 solution or an infinite number of solutions.
>
>> Thanks.
>
> IDL can do SVD, can you get the rank from that? Look up SVDC in the
> docs.

Hi
I had seen SVDC. But i did not understand which parameter belong to
rank of a matrix. Could you please specify with an example?
Thanks for any help in advance
Cheers

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[Message index]

		Re: Matrix rank By: d.poreh on Fri, 14 December 2007 09:26
		Re: Matrix rank By: d.poreh on Fri, 14 December 2007 09:19
		Re: Matrix rank By: Vince Hradil on Fri, 14 December 2007 09:17
		Re: Matrix rank By: David Fanning on Fri, 14 December 2007 08:35
		Re: Matrix rank By: Vince Hradil on Fri, 14 December 2007 08:28
		Re: Matrix rank By: David Fanning on Fri, 14 December 2007 07:57
		Re: Matrix rank By: Wox on Fri, 14 December 2007 07:44
		Re: Matrix rank By: Wox on Fri, 14 December 2007 07:42
		Re: Matrix rank By: d.poreh on Fri, 14 December 2007 07:41
		Re: Matrix rank By: Wox on Fri, 14 December 2007 07:25
		Re: Matrix rank By: Vince Hradil on Fri, 14 December 2007 06:35
		Re: Matrix rank By: Steve Eddins on Fri, 14 December 2007 10:06
		Re: Matrix rank By: Vince Hradil on Fri, 14 December 2007 09:49

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