Re: 2 equations 2 conditions
- To: mathgroup at smc.vnet.net
- Subject: [mg29171] Re: [mg29131] 2 equations 2 conditions
- From: Tomas Garza <tgarza01 at prodigy.net.mx>
- Date: Fri, 1 Jun 2001 04:15:32 -0400 (EDT)
- References: <200105310328.XAA10364@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
I think you may use Condition (see your Help browser or The Book): w[z_, i_, j_] := firstFunction[z, L[i, j]] /; i > j; w[z_, i_, j_] := secondFunction[z, L[i, j]] /; i <= j This will automatically select what function to use according to whether i < j or otherwise. Tomas Garza Mexico City ----- Original Message ----- From: "Su Su Win" <susuwin at post.kek.jp> To: mathgroup at smc.vnet.net Subject: [mg29171] [mg29131] 2 equations 2 conditions > 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 > >