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Re: st: Matrix manipulation
From
[email protected]
To
[email protected]
Subject
Re: st: Matrix manipulation
Date
Thu, 24 Mar 2011 09:09:59 +0000
Beautiful, thank you all.
U~
> 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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