RE: Help
- To: mathgroup@smc.vnet.net
- Subject: [mg11148] RE: [mg11115] Help
- From: "Barthelet, Luc" <lucb@ea.com>
- Date: Mon, 23 Feb 1998 21:41:07 -0500
is this what you want to do:
sol = {a -> 32, a -> -22, a -> 49};
Select[ sol, a>0 /.#&]
{a->32,a->49}
>-----Original Message-----
>From: Colin L C Fu [SMTP:es2136@eng.warwick.ac.uk]
To: mathgroup@smc.vnet.net
>Sent: Sunday, February 22, 1998 11:56 AM
>To: mathgroup@smc.vnet.net
>Subject: [mg11115] Help
>
>Hiya,
>
>
>I have 3 solutions for a which are
>{a -> 32, a -> -22, a -> 49}.
>
>I want to use the positive answer to sub in a folowing equation.
>
>The code that I wrote is
>
>aList = Re[Last/@Flatten[%]];
>aList = Select[%, #>0 &];*)
>
>For[
> m = 1, m < size, m++, aList[[m]]
>];
>
>
>Howver, it doesnt seem to work the way I want.
>
>Thanks
>
>Colin
>