进步
发表于 2025-3-30 11:11:20
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hedonic
发表于 2025-3-30 12:58:53
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evasive
发表于 2025-3-30 20:07:35
Completion of Special Types of MatricesHere we consider completions to Green matrices under some conditions on the specified band. If all the submatrices .. of the form (8.1) are invertible, then the unique completion to a Green matrix is a positive (definite) matrix if and only if all the matrices .. of the form (9.1) are positive (definite).
出来
发表于 2025-3-30 22:36:27
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Lipoma
发表于 2025-3-31 02:50:38
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Spongy-Bone
发表于 2025-3-31 07:55:24
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Vsd168
发表于 2025-3-31 09:44:18
Inversion of Matrices in Diagonal Plus Semiseparable FormHere we study in detail the inversion methods for matrices with diagonal plus semiseparable representations. For scalar matrices we obtain an inversion algorithm without any restrictions.