نتایج جستجو برای: positive semidefinite matrices

تعداد نتایج: 730691  

Journal: :Linear Algebra and its Applications 1991

Journal: :Linear Algebra and its Applications 1987

Journal: :Proceedings of the American Mathematical Society 1972

Journal: :ACM Transactions on Algorithms 2016

2011
Ramazan Türkmen

In this paper, we first give a lower and upper bounds for singular values of a 2×2 positive semidefinite block matrices. Then, we give some weakly majorization inequalities of singular values positive semidefinite block matrices. Also, we present inequalities involving the direct sum and sum of positive semidefinite matrices.

Journal: :Linear Algebra and its Applications 2003

Journal: :Linear Algebra and its Applications 2010

2017
Jianzhou Liu Rong Huang JIANZHOU LIU RONG HUANG

In this paper, we obtain some formulas for compound matrices of generalized Schur complements of matrices. Further, we give some Löwner partial orders for compound matrices of Schur complements of positive semidefinite Hermitian matrices, and obtain some estimates for eigenvalues of Schur complements of sums of positive semidefinite Hermitian matrices.

Journal: :Linear Algebra and its Applications 1987

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