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Re: Solve fails with this simple inequality problem

• To: mathgroup at smc.vnet.net
• Subject: [mg115716] Re: Solve fails with this simple inequality problem
• From: michael partensky <partensky at gmail.com>
• Date: Wed, 19 Jan 2011 05:25:34 -0500 (EST)

Ken, Sqrt  returns by definition the *positive* root.
Your question would have been legit  (with its syntax properly fixed) for
the negative root, but this must be handled by adding minus (-Sqrt[19])
explicitly.

Can anyone help to reformulate the problem to handle both signs elegantly?
Thanks
Michael Partenskii



On Sun, Jan 16, 2011 at 5:55 AM, KenR <ramsey2879 at msn.com> wrote:

> Solve[Meter = Floor[Sqrt[19]+7] && Meter < 6, Meter] gives a null "{}"
> Any workarounds?
>
>