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  5. The Procrustes Problem for Orthogonal Stiefel Matrices

The Procrustes Problem for Orthogonal Stiefel Matrices

File(s)
96-255.ps (307.9 KB)
96-255.pdf (309.15 KB)
Permanent Link(s)
https://hdl.handle.net/1813/5586
Collections
Cornell Theory Center Technical Reports
Author
Bojanczyk, A.W.
Lutoborski, A.
Abstract

(This abstract contains mathematical symbols that may not reproduce wellin ASCII text.) In this paper we consider the Procrustes problem on the manifold of orthogonal Stiefel matrices. That is, given matrices A epsilon R(mk), B epsilon R(mp), m greater tahn or equal to p greater than or equal to k, we seek the minimum of ||A - BQ||2 for all matrices Q epsilon R(pk), QTQ = I(kk). We introduce a class of relaxation methods for generating minimizing sequences and offer a geometric interpretation of these methods. Results of numerical experiments illustrating the convergence of the methods are given.

Date Issued
1996-08
Publisher
Cornell University
Keywords
theory center
Previously Published as
http://techreports.library.cornell.edu:8081/Dienst/UI/1.0/Display/cul.tc/96-255
Type
technical report

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