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Re: st: Matrix manipulation


From   Nick Cox <[email protected]>
To   [email protected]
Subject   Re: st: Matrix manipulation
Date   Wed, 23 Mar 2011 10:32:43 +0000

Why introduce c?

: a = 80, 100, 40 \ 10, -6, 7

: a :/ a[,1]
          1      2      3
    +----------------------+
  1 |     1   1.25     .5  |
  2 |     1    -.6     .7  |
    +----------------------+

On Wed, Mar 23, 2011 at 10:23 AM, Brendan Halpin <[email protected]> wrote:

> On Wed, Mar 23 2011, Maarten buis wrote:
>
>> *------------- begin example ------------
>> mata
>> a = 80, 100, 40 \ 10, -6, 7
>> c = 80 \ 10
>> a :/ c
>> end
>> *-------------- end example -------------
>
> Or more generally,
>
> mata
> a = 80, 100, 40 \ 10, -6, 7
> c = a[,1]*J(1,cols(a),1)
> a :/ c
> end
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