Re: [Q] symbolic SVD?
- To: mathgroup at smc.vnet.net
- Subject: [mg26867] Re: [Q] symbolic SVD?
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 26 Jan 2001 01:27:17 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <94m9jq$3o7@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
a symbolic SDV ist nonsens. How to decide what matrix
elements are small ist they have no value ??
Regards
Jens
James wrote:
>
> Sorry about reposting.
> I've not received any reply yet,
> and I tried several ways, but I couldn't get a clue, either.
> So if anyone can help, that would be appreciated.
>
> -------------------------------------------------------------
>
> I've used 'symbolic' calculation in mathematica in many ways,
> but this time,
> I wonder if mathematica can solve symbolic matrix operation.
> Specifically,
>
> m = {{a, b},
> {c, d},
> {e, f}}
>
> SingluarValues[m]
>
> returns
>
> SingularValues::"svdf": "SingularValues has received a matrix
> with infinite precision."
>
> (a,b,c,d,e,f are all symbolics.)
> I need to do several symbolic matrix operations such as SingularValues.
> Is there any way to do that?
> Thank you.