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    Eigenvalue distributions for some correlated complex sample covariance matrices

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    The distributions of the smallest and largest eigenvalues for the matrix product Z†ZZ^\dagger Z, where ZZ is an n×mn \times m complex Gaussian matrix with correlations both along rows and down columns, are expressed as m×mm \times m determinants. In the case of correlation along rows, these expressions are computationally more efficient than those involving sums over partitions and Schur polynomials reported recently for the same distributions.Comment: 11 page
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