Re: using answer form reduce
- To: mathgroup at smc.vnet.net
- Subject: [mg68650] Re: [mg68616] using answer form reduce
- From: "Christoph Lhotka" <lhotka at astro.univie.ac.at>
- Date: Mon, 14 Aug 2006 06:44:36 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
If I understand well, this will work
In[]:= #[[2]]&/@Cases[Reduce[whatever...,x],x==b_,Infinity]
But to clarify your question it would be good to add an example...
lg cl
On Sun, 13 Aug 2006 05:52:24 -0400 (EDT)
"akil" <akomur at wanadoo.nl> wrote:
> After using reduce I get the following two types of answers:
>
> answer == Real1 || answer == Real2
> or
> answer == Real3
> , the type can change from one formula to another.
>
> I need the Reals, and put them all in a list. The problem is getting all
> the
> reals, without knowing which type I deal with, it should be able to be done
> fast.
>
> I tried making a list of the returned adres, and then using
> Cases[list, _Real, Infinity] and using Select[list,NumericQ] but both do
> not
> give me the answer I require.
>
> How can I get the answer I require e.g. something like {Real1,Real2,Real3}
>
>
>
-- Mag. Christoph Lhotka --
University of Vienna / Institute for Astronomy
fon. +43 (1) 4277 51841
mail. lhotka at astro.univie.ac.at