Re: 2 equations 2 conditions
- To: mathgroup at smc.vnet.net
- Subject: [mg29159] Re: 2 equations 2 conditions
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 1 Jun 2001 04:15:23 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <9f4dqa$a7c$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, you can do both L[i_Integer,j_Integer,z_]:=If[i<=j,Sin[z],z^2] or L[i_Integer,j_Integer,z_] /; i<=j:=Sin[z] L[i_Integer,j_Integer,z_] :=z^2 the last one is the better more Mathamtica like version. Regards Jens Su Su Win wrote: > > Hello, > > I have problem. I am sorry if my question is very simple because I am only > beginner and trying to familiar with for Mathematica. > > I have 2 equations to calculate W(i,j)=Function of (z, L(i,j)). > Equation(1) is used when i>j and Equation(2) when i<=j. > If I have to use if...then, how can i ask Mathematica to take the correct > equation according to condition? > Thanks a lot. > > Win