st: Re: Matrix Kronecker Product Question

["Michael Blasnik" <michael.blasnik@verizon.net>]

I think you might want to check out help matrix rownames.  Maybe 
mat coleq a=:

will do what you want

Michael Blasnik
michael.blasnik@verizon.net

----- Original Message ----- 
From: "Ed Blackburne" <blackburne@shsu.edu>
To: <statalist@hsphsun2.harvard.edu>
Sent: Wednesday, September 28, 2005 2:57 PM
Subject: st: Matrix Kronecker Product Question



> I previously posted a question regarding matrix colnames and have
> received no response.
>
> To help those able to help me, I have narrowed down the problem.
>
> Here is a snippet of code you can run to verify my problem:
>
>
> ************************Beginning of code******************
> matrix a=(1,2 \ 3,4)
> matrix colnames a= col1 col2
> matrix rownames a= row1 row2
> matrix li a
>
> local cname: colnames a
> local rname: rownames a 
> matrix aPa=(a'*a)
>
> matrix aPa=aPa#J(1,1,1)
>
> matrix li aPa
>
> matrix rownames aPa=`rname'
> matrix colnames aPa=`cname'
>
> matrix li aPa
> matrix coleq aPa=""
> matrix roweq aPa=""
>
> matrix li aPa
>
> *************************End of code***********************
>
> It appears that after calculating a Kronecker product, the matrix aPa
> has equation names in the matrix (I know these are actually r/c
> identifiers from the J matrix) that I can't get rid of.
>
> How do I fix this?
>
> -Ed
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