Re: How to isolate the constant in a two variable equation?
- To: mathgroup at smc.vnet.net
- Subject: [mg113465] Re: How to isolate the constant in a two variable equation?
- From: "Nasser M. Abbasi" <nma at 12000.org>
- Date: Sat, 30 Oct 2010 04:35:55 -0400 (EDT)
- References: <iae7ok$7qd$1@smc.vnet.net>
- Reply-to: nma at 12000.org
On 10/29/2010 3:30 AM, Eduardo M. A. M.Mendes wrote: > Hello > > > > I know that Coefficient can isolate the coefficient relate to the variables > in an equation but I wonder how the constant could be retrieved. > > Something like > > 4X*X+3Y*Y+2X*Y+1 > > How to get to isolate the constant 1? one way: In[92]:= Clear[x,y] eq=4x*x+3y*y+2x*y+1; Coefficient[Coefficient[eq,x,0],y,0] Out[94]= 1 --Nasser