Re: Coefficient Question
- To: mathgroup at smc.vnet.net
- Subject: [mg104049] Re: Coefficient Question
- From: Peter Breitfeld <phbrf at t-online.de>
- Date: Sat, 17 Oct 2009 07:01:51 -0400 (EDT)
- References: <hb9jsr$k4$1@smc.vnet.net>
Scott wrote: > I've got the expression > > 8(3+5k+4x1+6x2+45x3) > > and I want to extract the constant 24. > > Yes, I can define a function and then set k and x1 and x2 and x3 to 0 > but there has to be easier way, no? > > Any suggestions? > > Thanks much. > > Cheers, Scott > In this particular case you may use: Select[Expand[expr],NumberQ] -- _________________________________________________________________ Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de