mentor
发表于 2025-3-21 19:57:33
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FOVEA
发表于 2025-3-22 00:05:14
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SPALL
发表于 2025-3-22 04:08:38
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统治人类
发表于 2025-3-22 06:18:37
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tinnitus
发表于 2025-3-22 10:43:20
Infinite Matrices,The purpose of this section is to fix some standard notations and to recall some terminology.
天气
发表于 2025-3-22 14:55:53
Finite Section Method and Stability,Let.be an infinite matrix and suppose A generates a bounded operator on l.. In order to solve the equation . y, i.e., the infinite linear system.we consider the truncated systems
NAVEN
发表于 2025-3-22 19:49:03
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sundowning
发表于 2025-3-22 23:29:15
Moore-Penrose Inverses and Singular Values,Let . be a Hilbert space and let . be a bounded linear operator on . Then sp .*. ⊂[0,∞),and the non-negative square roots of the numbers in sp .*. are called the . of .. The set of the singular values of . will be denoted byΣ(.),
有助于
发表于 2025-3-23 02:33:55
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fallible
发表于 2025-3-23 06:07:17
Block Toeplitz Matrices,A Toeplitz matrix is constant along the parallels to the main diagonal. Matrices whose entries in the parallels to the main diagonal form periodic sequences (with the same period . are referred to as . Equivalently, A is a block Toeplitz matrix if and only if.where . is a sequence of . matrices,.for all . ∈ Z.