mathematics, the spectral radius of a square matrix is the maximum of the absolute values of its eigenvalues. More generally, the spectral radius of a bounded...
16 KB (3,197 words) - 13:38, 24 March 2025
In mathematics, the joint spectral radius is a generalization of the classical notion of spectral radius of a matrix, to sets of matrices. In recent years...
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Matrix norm (redirect from Spectral norm)
is the spectral norm. The two values do not coincide in infinite dimensions — see Spectral radius for further discussion. The spectral radius should not...
28 KB (4,788 words) - 21:25, 24 May 2025
has spectral radius 2 or at most 2. The graphs with spectral radius 2 form two infinite families and three sporadic examples; if we ask for spectral radius...
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theory) Cheeger constant (Riemannian geometry) Eigengap Spectral gap (physics) Spectral radius "Impossible-Seeming Surfaces Confirmed Decades After Conjecture"...
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in absolute value is strictly smaller than r , |λ| < r. Thus, the spectral radius ρ ( A ) {\displaystyle \rho (A)} is equal to r. If the matrix coefficients...
58 KB (8,224 words) - 08:53, 27 May 2025
magnetic field. The correlation coefficient of a population parameter The spectral radius of a matrix A {\displaystyle A} denoted as ρ ( A ) {\displaystyle \rho...
8 KB (1,108 words) - 17:24, 21 April 2025
conjugate transpose of the matrix A {\displaystyle A} ). In general, the spectral radius of A {\displaystyle A} is bounded above by the operator norm of A {\displaystyle...
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above by ‖ W r e c ‖ k {\displaystyle \|W_{rec}\|^{k}} . So if the spectral radius of W r e c {\displaystyle W_{rec}} is γ < 1 {\displaystyle \gamma <1}...
24 KB (3,709 words) - 12:46, 27 May 2025
differentiable, a sufficient condition for convergence is that the spectral radius of the derivative is strictly bounded by one in a neighborhood of the...
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DFS(a)=(n^{*}(a),0,0).} A basic reproduction number can be calculated as the spectral radius of an appropriate functional operator. One way to calculate R 0 {\displaystyle...
109 KB (17,824 words) - 15:16, 23 May 2025
Eigenvalues and eigenvectors (redirect from Spectral properties)
the maximum absolute value of any eigenvalue. This is known as the spectral radius of the matrix. Let λi be an eigenvalue of an n by n matrix A. The algebraic...
102 KB (13,617 words) - 15:46, 13 May 2025
(functional analysis) Spectral radius, Spectrum of an operator, Spectral theorem Spectral theory of compact operators Spectral theory of normal C*-algebras...
32 KB (4,686 words) - 16:23, 17 May 2025
eigenvectors. The spectral radius of a square matrix is the largest absolute value of its eigenvalues. In spectral theory, the spectral radius of a bounded...
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Wasserstein GAN (section Spectral normalization)
matrix, that is, the largest singular value of the matrix, that is, the spectral radius of the matrix (these concepts are the same for matrices, but different...
16 KB (2,884 words) - 07:23, 26 January 2025
Spectrum (functional analysis) (redirect from Spectral representation)
( ρ ( T ) {\displaystyle \rho (T)} is sometimes used to denote the spectral radius of T {\displaystyle T} ) If λ {\displaystyle \lambda } is an eigenvalue...
30 KB (5,808 words) - 20:00, 24 March 2025
standard convergence condition (for any iterative method) is when the spectral radius of the iteration matrix is less than 1: ρ ( D − 1 ( L + U ) ) < 1....
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V − 1 {\displaystyle FV^{-1}} with the largest absolute value (the spectral radius of F V − 1 {\displaystyle FV^{-1}} ). Next generation matrices can...
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numerical radius is equal to the spectral norm. Still in functional analysis, λ max {\displaystyle \lambda _{\max }} is known as the spectral radius. In the...
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Banach algebra (redirect from Spectral mapping theorem)
(x)} of an element x {\displaystyle x} is non-empty and satisfies the spectral radius formula: sup { | λ | : λ ∈ σ ( x ) } = lim n → ∞ ‖ x n ‖ 1 / n . {\displaystyle...
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Perth, Australia Jai Shri Ram, a Hindu slogan and greeting Joint spectral radius, in mathematics JSR Corporation [ja; es], a Japanese chemical business...
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Hermitian matrix (section Spectral properties)
is equal to the spectral norm. Still in functional analysis, λ max {\displaystyle \lambda _{\max }} is known as the spectral radius. In the context of...
20 KB (3,028 words) - 01:11, 26 May 2025
Alexandr (2020-03-01). "Forbidden Subgraphs for Graphs of Bounded Spectral Radius, with Applications to Equiangular Lines". Israel Journal of Mathematics...
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lim n → ∞ W n = 0 {\displaystyle \lim _{n\to \infty }W^{n}=0} if the spectral radius of W {\displaystyle W} is smaller than 1. However, with LSTM units...
52 KB (5,797 words) - 10:15, 27 May 2025
1 are all distinct. That is, the transfer function's spectral radius is 1. If the spectral radius is less than 1, the system is instead asymptotically...
7 KB (1,001 words) - 23:43, 29 October 2024
convergence condition was formulated by Johnson et al. in 2006, when the spectral radius of the matrix ρ ( I − | D − 1 / 2 A D − 1 / 2 | ) < 1 {\displaystyle...
29 KB (4,323 words) - 16:52, 13 April 2025
_{b}^{n}=\mathrm {tr} (T_{h}^{n})} . This sum is useful for estimating the spectral radius of T h {\displaystyle T_{h}} . There is an alternative possibility...
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{\displaystyle 0\leq p\leq n} , let d p {\displaystyle d_{p}} be the spectral radius of f acting by pullback on the Hodge cohomology group H p , p ( X )...
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_{k=0}^{\infty }\left({A}^{-1}{B}\right)^{k}{A}^{-1}} if the spectral radius of A − 1 B {\displaystyle A^{-1}B} is less than one. That is, if the...
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MA: Wellesley-Cambridge Press. pp. xii+758. MR 0870634. The Joint spectral radius, introduced by Strang and Rota in the early 60s. Strang splitting Roselle...
14 KB (1,137 words) - 23:35, 13 December 2024