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Re: st: concatenating column vectors

From   Nick Cox <>
Subject   Re: st: concatenating column vectors
Date   Fri, 30 Dec 2011 07:48:48 +0000

Show us the code you tried that produced an error.


On Fri, Dec 30, 2011 at 7:31 AM, Jason Park <> wrote:
> I want to calculate something for each column and concatenate them
> into a matrix.
> For a 3x3 matrix, for example, it can be done as follows:
> matrix Q=uu`i'         /* this is directly from the code I'm using, In
> fact, I'm trying to modify a code provided by an individual*/
> matrix Z=vecdiag(Q)
> matrix P=(Q[1...,1]/Z[1,1],Q[1...,2]/Z[1,2],Q[1...,3]/Z[1,3])
> And I want to generalized this to NxN case, with and without using a
> loop both (since it looks like the use of a loop conflicts with some
> other part of the code, hence generates an error).
> How can this be done? Please advise.
> Many thanks,
> Jason
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