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RE: create mxn matrix from two lists


Ravinder,

Very simple!

A = {1, 2, 3, 4};
B = {a, b, c, d};

Outer[List, A, B]
{{{1, a}, {1, b}, {1, c}, {1, d}}, {{2, a}, {2, b}, {2, c}, {2, d}}, {{3, 
      a}, {3, b}, {3, c}, {3, d}}, {{4, a}, {4, b}, {4, c}, {4, d}}}

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 

> From: Ravinder Kumar B. [mailto:ravi at crest.ernet.in]
To: mathgroup at smc.vnet.net
> 
> 
>  I would like to know how to create mxn matrix from two lists of
>  length m &n. For example
>         A={1,2,3,4};
>         B={a,b,c,d};
> 
> All I need is new List or 4x4 matrix of the form
> C=[{(1,a),(1,b)(1,c),(1,d)},{(2,a),(2,b)(2,c),(2,d)},{(3,a),(3,b)(
> 3,c),(3,d)},
> {(4,a),(4,b)(4,c),(4,d)}]
> 
> Your Kind response is awaited eagerly
> -- 
>     Lovingly,                                   Apr 4
>     Ravi
>  


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