Re: proper way to manipulate lists?
- To: mathgroup at smc.vnet.net
- Subject: [mg40193] Re: [mg40182] proper way to manipulate lists?
- From: Dr Bob <drbob at bigfoot.com>
- Date: Tue, 25 Mar 2003 14:47:59 -0500 (EST)
- References: <200303250804.DAA08362@smc.vnet.net>
- Reply-to: drbob at bigfoot.com
- Sender: owner-wri-mathgroup at wolfram.com
data = {{x1, y1}, {x2, y2}, {xN, yN}}; parameters = {a, b}; #*parameters & /@ data Bobby On Tue, 25 Mar 2003 03:04:24 -0500 (EST), Nathan Moore <nmoore at physics.umn.edu> wrote: > > I'm sure this is a one-liner, but it has stumped me for years. Suppose > I'm working with a 2-d array of data, > data = {{x1,y1},{x2,y2}...{xN,yN}}; > and I want to transform the data according to, > data2 = {{x1*a,y1*b},{x2*a,y2*b}...{xN*a,yN*b}}; > The only way I know to do this is to move the data to excel, > performing the transform and then move the data back to Mathematica. > This > is crazy - there must be a better way - is there? Please tell me there > is! > > regards, > > Nathan Moore, University of Minnesota Physics Department > > > -- majort at cox-internet.com Bobby R. Treat
- References:
- proper way to manipulate lists?
- From: Nathan Moore <nmoore@physics.umn.edu>
- proper way to manipulate lists?