How to get only real solutions?

• Subject: How to get only real solutions?
• From: Enrique Perez-Terron
• Date: Thu, 13 Dec 2012 11:38:43 +0100

On Tue, 11 Dec 2012 19:14:38 +0100, Jaime Villate <villate at fe.up.pt> wrote:

> Is there a way to restrict solve or to_poly_solve to only real solutions?

realp(x) := if imagpart(x) = 0 then true else false$
solution: solve(...)$
sublist(solution, realp)

Regards
Enrique

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