Re: Coefficient in multivariate series
- To: mathgroup at smc.vnet.net
- Subject: [mg3635] Re: Coefficient in multivariate series
- From: pecora at zoltar.nrl.navy.mil (Louis M. Pecora)
- Date: Sat, 30 Mar 1996 02:47:58 -0500
- Organization: Naval Research Laboratory
- Sender: owner-wri-mathgroup at wolfram.com
In article <4jai96$3tg at dragonfly.wolfram.com>, danl at wolfram.com (Daniel Lichtblau) wrote: > > give me the coefficient of x*y*z^3 in (1+x+y)^2*(2+y)*(5+z)^4. > > In[1]:= Coefficient[Expand[(1+x+y)^2*(2+y)*(5+z)^4], x*y*z^3] > Out[1]= 120 > > In our next release the Expand[] will not be necessary. Why? Just curious. Thanks. -- Louis M. Pecora pecora at zoltar.nrl.navy.mil /* My views and opinions are not those of the U.S. Navy. If you want those, you have to start a war. */ ==== [MESSAGE SEPARATOR] ====