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Re: st: How define an asymmetric matrix on .dta file as an asymmetric matrix in Stata?
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: How define an asymmetric matrix on .dta file as an asymmetric matrix in Stata?
Date
Wed, 27 Jul 2011 10:24:52 +0100
. help mkmat
Nick
On Wed, Jul 27, 2011 at 9:50 AM, Erik Aadland <[email protected]> wrote:
> I have fairly large asymmetric matrices (e.g. 200 by 200) from which I want to compute eigenvalues using the command:
>
> matrix eigenvalues r c = A
>
> Each of my asymmetric matrices are stored as separate .dta files and have the following general structure:
>
> A B C D
> A 0 0 1 0
> B 2 0 0 1
> C 3 1 0 2
> D 1 0 2 0
>
> How do I define each of these .dta files as the asymmetric matrix A so that Stata understands that the matrix in the .dta file is in fact an asymmetric matrix? As far as I can see, I need to do this in order to execute the command: matrix eigenvalues r c = A
>
>
> Is there a simple command/way to accomplish this?
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