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Re: Complex Numbers

• To: mathgroup at smc.vnet.net
• Subject: [mg5963] Re: Complex Numbers
• From: "John L. Seger" <jseger at cybertours.com>
• Date: Wed, 5 Feb 1997 21:12:01 -0500
• Organization: cyberTours Inc. (cyberTours.com)
• Sender: owner-wri-mathgroup at wolfram.com

>
This may be a rather verbose method, but it works for me,

note: x is a list of real and complex entities

GetReal[x_] := Select[Cases[Map[#[[2]]&, Flatten[x]],_Real],#>0&][[1]];

This will give you the first real, non-negative result.

I hope this helps.