Jacobi angles for simultaneous diagonalization

被引:603
作者
Cardoso, JF [1 ]
Souloumiac, A [1 ]
机构
[1] ETL,SCHLUMBERGER MEASUREMENT & SYST,F-92542 MONTROUGE,FRANCE
关键词
simultaneous diagonalization; Jacobi iterations; eigenvalues; eigenvectors; structured eigenvalue problem;
D O I
10.1137/S0895479893259546
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Simultaneous diagonalization of several commuting matrices has been recently considered in [1], mainly motivated by stability and convergence concerns. Exact or approximate simultaneous diagonalization was also independently introduced as a solution to a statistical identification problem [2] (see [3] for a later paper in English). The simultaneous diagonalization algorithm described in these papers is an extension of the Jacobi technique: a joint diagonality criterion is iteratively optimized under plane rotations. The purpose of this note is to complement [1] by giving a close form expression for the optimal Jacobi angles.
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页码:161 / 164
页数:4
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