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Re: proper way to manipulate lists?


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



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