Re: coefficients but not from polynomial (variables does not work)
- To: mathgroup at smc.vnet.net
- Subject: [mg97985] Re: coefficients but not from polynomial (variables does not work)
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 27 Mar 2009 05:35:00 -0500 (EST)
- References: <gqfm9a$lfv$1@smc.vnet.net>
Hi,
Cases[Sin[x] + Sin[y], _Symbol, Infinity]
may help.
Regards
Jens
magdamoczydlowska at gmail.com wrote:
> Dear All,
>
> Probably my question is very simple. Suppose that we have expression
> a= Sin[x]+Sin[y]. I would like receive variables from which this
> expression is dependent, so in this case {x,y}. The Variables does not
> work of course in this because it is not a polynomial and it gives me
> {Sin[x],Sin[y]}. Do anyone know how to solve my problem.
>
> I would be very grateful for quick response.
>
> Magdalena
>