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Re: Solve::luc error, what is it?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg4369] Re: Solve::luc error, what is it?
  • From: withoff (David Withoff)
  • Date: Mon, 15 Jul 1996 06:21:05 -0400
  • Organization: Wolfram Research, Inc.
  • Sender: owner-wri-mathgroup at wolfram.com

In article <4qqnqd$49m at dragonfly.wolfram.com>  
farmer at shire.math.columbia.edu (David Farmer) writes:
> 
> While using Solve[] to solve a 4x4 system of linear equations,
> I got this message:
> 
> Solve::luc: -- Message text not found -- (Solve) (
>     519643297844782413120     627036176118798613440
>     --------------------- == ------------------------ + <<4>> && <<3>>)
>       55867983514256281      560940336899<<10>>127547
> 
> I gather that whatever the error/warning  Solve::luc  is, MMa
> can't find the text describing the problem.  I also couldn't
> find it in the Mathematica Book.
> 
> So, what is it trying to tell me?
> 
> Dave
> 
> 

Here is the missing message.

Solve::luc = "Warning: Result for `1` of badly conditioned matrix `2`
may contain significant numerical errors."

It is the same as the LUDecomposition::luc, Inverse::luc,
and LinearSolve::luc messages.  We just forgot that it needed
to be attached to Solve as well.

Dave Withoff
WRI

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