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st: A matrix computation question

From   chen jie <>
To   Stata <>
Subject   st: A matrix computation question
Date   Mon, 2 May 2005 06:33:50 -0700 (PDT)

Dear Statalists:

I wonder how we can achieve this in stata: 

conditional on a given matrix A, obtain a matrix B
that has the property of BA=0.

For example: 
a (3x1) vector

Thanks for any help!

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