Re: Solve problem
- To: mathgroup at smc.vnet.net
- Subject: [mg98039] Re: Solve problem
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Sat, 28 Mar 2009 05:45:21 -0500 (EST)
- References: <gqia56$oim$1@smc.vnet.net>
Hi,
Select[{{b1 -> -2, a1 -> -1}, {b1 -> 0.5, a1 -> 3}}, a1 > 0 /. # &]
?
Regards
Jens
Bruno Campanini wrote:
> I have a Solve[...] which gives me solutions like
> {{b1 -> -2, a1 -> -1 }, {b1 -> 0.5, a1 -> 3}}
> or like
> {{a1 -> 1, b1 -> 3}}
>
> How can I get the positive value for a1, which is 3
> in the first case and 1 in the second one?
>
> Bruno
>