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Re: Solve[] doesn't

• To: mathgroup at smc.vnet.net
• Subject: [mg90639] Re: Solve[] doesn't
• From: "Kevin J. McCann" <Kevin.McCann at umbc.edu>
• Date: Thu, 17 Jul 2008 05:35:01 -0400 (EDT)
• Organization: University System of Maryland
• References: <g5kil1$8lf$1@smc.vnet.net>

If you would include the code that didn't work, it would help a lot.

Kevin

Hauke Reddmann wrote:
> This is extremely annoying.     
> I have a very large (this seems to be critical) equation
> system. It's partly linear, partly horror, but already
> after I solve the linear part, a certain solution (which
> is obviously one since substituting it in makes all equations
> identical zero) can't be found anymore. The solution has some
> surds (this also seems critical, the ones without are found) 
> but the equations are strictly polynomic.
> 
> Faked Example (the real one only PM-ed, since it's a bit
> oversized):
> 
> x-y=1
> x^2+y^2=3
> x^3-y^3=4
> and after y was eliminated, it doesn't find x. (=golden mean here)
>   
> Huh?