Eigenvalues and condition numbers of complex random matrices

被引:74
|
作者
Ratnarajah, T [1 ]
Vaillancourt, R [1 ]
Alvo, M [1 ]
机构
[1] Univ Ottawa, Dept Math & Stat, Ottawa, ON K1N 6N5, Canada
关键词
complex random matrix; complex Wishart matrix; complex zonal polynomials; eigenvalue distribution; condition number distribution;
D O I
10.1137/S089547980342204X
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, the distributions of the largest and smallest eigenvalues of complex Wishart matrices and the condition number of complex Gaussian random matrices are derived. These distributions are represented by complex hypergeometric functions of matrix arguments, which can be expressed in terms of complex zonal polynomials. Several results are derived on complex hypergeometric functions and complex zonal polynomials and are used to evaluate these distributions. Finally, applications of these distributions in numerical analysis and statistical hypothesis testing are mentioned.
引用
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页码:441 / 456
页数:16
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