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A Useful Lemma for Proving the Equality of Two Matrices with Applications to Least Squares Type Quadratic Forms

 

作者: GaryG. Koch,  

 

期刊: Journal of the American Statistical Association  （Taylor Available online 1969）
卷期: Volume 64, issue 327  

页码: 969-970

 

ISSN:0162-1459

 

年代: 1969

 

DOI:10.1080/01621459.1969.10501029

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

A useful lemma for proving the equality of two matrices is given. The result is then applied to proving the equality of certain quadratic forms arising in least squares models.

 

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