RE: Q: lefthand/right hand side of equation
- To: mathgroup at smc.vnet.net
- Subject: [mg26927] RE: [mg26872] Q: lefthand/right hand side of equation
- From: "David Park" <djmp at earthlink.net>
- Date: Fri, 26 Jan 2001 23:30:04 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
First, I got rid of the List brackets around your equation. eqn = a + b == c + d; l = First[eqn] r = Last[eqn] a + b c + d or l = eqn[[1]] r = eqn[[2]] a + b c + d Check out Section 2.1 Expressions, and especially 2.1.4 Parts of Expressions in the Book. David Park djmp at earthlink.net http://home.earthlink.net/~djmp/ > From: Robert [mailto:robert.schuerhuber at gmx.at] To: mathgroup at smc.vnet.net > hello! > maybe a rather simple question: > > if i have an equation, how can i get the left/right hand side? > > e.g. > > eqn={a+b==c+d}; > > i'd like to get something like: > > l=a+b > r=c+d > > thanks, > > robert