Services & ResourcesWolfram ForumsMathGroup Archive

[Date Index] [Thread Index] [Author Index]

how to extract coefficients of non-cosine term?

• To: mathgroup at smc.vnet.net
• Subject: [mg108047] how to extract coefficients of non-cosine term?
• From: Ruida <coolradar at gmail.com>
• Date: Sun, 7 Mar 2010 04:04:13 -0500 (EST)

Hi guys,

I expanded an expression which end up with a lot cosine term, such as
Cos[w t],Cos[2w t], Cos[3w t]....

My question is how to extract coefficient for non-cosine terms?
 I did my research with Google but couldn't find a solution.

Thanks a lot!

• Follow-Ups:
  • Re: how to extract coefficients of non-cosine term?
    • From: "Christoph Lhotka" <christoph.lhotka@univie.ac.at>