Found 2,034 Documents (Results 1–100)
Randomized greedy magic point selection schemes for nonlinear model reduction. (English) Zbl 07909967
Specifying and estimating vector autoregressions using their eigensystem representation. (English) Zbl 07903193
MSC:
62-XX
Growth factors of orthogonal matrices and local behavior of Gaussian elimination with partial and complete pivoting. (English) Zbl 07900921
Reorthogonalized block classical Gram-Schmidt using two Cholesky-based TSQR algorithms. (English) Zbl 07900917
Introducing the evaluation condition number: a novel assessment of conditioning in radial basis function methods. (English) Zbl 07892958
Spectral transformation for the dense symmetric semidefinite generalized eigenvalue problem. (English) Zbl 07885722
Condition numbers for real eigenvalues of real elliptic ensemble: weak non-normality at the edge. (English) Zbl 07871274
Eigenvector components of symmetric, graph-related matrices. (English) Zbl 1542.15014
Reviewer: Vilmar Trevisan (Porto Alegre)
Multiple orthogonal polynomials, \(d\)-orthogonal polynomials, production matrices, and branched continued fractions. (English) Zbl 1536.42027
An optimal minimization problem in the lowest Landau level and related questions. (English) Zbl 1536.35326
A unified approach to Krylov subspace methods for solving linear systems. (English) Zbl 1542.65038
Reviewer: Eze Raymond Nwaeze (Montgomery)
MSC:
65F10
Opers and non-abelian Hodge: numerical studies. (English) Zbl 07815480
Reviewer: Lutian Zhao (Kashiwa)
Eigenvalue characterization of some structured matrix pencils under linear perturbation. (English) Zbl 1542.15012
Reviewer: Henri Bourlès (Paris)
Reset-free data-driven gain estimation: power iteration using reversed-circulant matrices. (English) Zbl 1534.93077
A projection method based on discrete normalized dynamical system for computing C-eigenpairs. (English) Zbl 1532.15006
BEM applied to the buckling analysis of skew and perforated plates considering the curvatures in the geometrical nonlinearity effect. (English) Zbl 1537.74360
On the distance to the nearest defective matrix. (English) Zbl 07842271
Boulier, François (ed.) et al., Computer algebra in scientific computing. 25th international workshop, CASC 2023, Havana, Cuba, August 28 – September 1, 2023. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 14139, 255-271 (2023).
MSC:
68W30
Symmetric-diagonal reductions as preprocessing for symmetric positive definite generalized eigenvalue solvers. (English) Zbl 07814803
Adaptive control of nonlinear impulsively coupled complex networks with mismatching conditions. (English) Zbl 1532.93169
The foundations of spectral computations via the solvability complexity index hierarchy. (English) Zbl 07774915
Stochastic simulation of electron transport in a strong electrical field in low-dimensional heterostructures. (English) Zbl 1535.81068
Analyzing the influence of agents in trust networks: applying nonsmooth eigensensitivity theory to a graph centrality problem. (English) Zbl 1531.05226
Floating-point arithmetic. (English) Zbl 07736656
Growth factors of random butterfly matrices and the stability of avoiding pivoting. (English) Zbl 1521.15032
Convergence analysis of Newton-Schur method for symmetric elliptic eigenvalue problem. (English) Zbl 1519.65051
Reviewer: Murli Gupta (Washington, D.C.)
Synchronization of directed uniform hypergraphs via adaptive pinning control. (English) Zbl 1527.34091
Revisiting the (block) Jacobi subspace rotation method for the symmetric eigenvalue problem. (English) Zbl 1506.65061
Computing Gaussian quadrature rules with high relative accuracy. (English) Zbl 1506.65053
MSC:
65D32
Solving the system of nonsingular tensor equations via randomized Kaczmarz-like method. (English) Zbl 1501.15021
Nearest linearly structured polynomial matrix with some prescribed distinct eigenvalues. (English) Zbl 1514.15025
Reviewer: Tin Yau Tam (Reno)
Algebraic structure underlying spherical, parabolic, and prolate spheroidal bases of the nine-dimensional MICZ-Kepler problem. (English) Zbl 1508.78005
Distance evaluation to the set of matrices with multiple eigenvalues. (English) Zbl 1518.65039
Boulier, François (ed.) et al., Computer algebra in scientific computing. 24th international workshop, CASC 2022, Gebze, Turkey, August 22–26, 2022. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 13366, 206-224 (2022).
MSC:
65F35
Algorithm for robustness estimation of large deviations in linear discrete-time systems. (English) Zbl 1504.93076
Gusikhin, Oleg (ed.) et al., Informatics in control, automation and robotics. 17th international conference, ICINCO 2020, Lieusaint, Paris, France, July 7–9, 2020. Revised selected papers. Cham: Springer. Lect. Notes Electr. Eng. 793, 569-583 (2022).
Numerical method for system of space-fractional equations of superdiffusion type with delay and Neumann boundary conditions. (English) Zbl 1496.65116
Discrete relativistic Toda equation from the perspective of shifted \(LR\) transformation. (English) Zbl 1498.37102
Lower estimates on the condition number of a Toeplitz sinc matrix and related questions. (English) Zbl 1513.15054
Reduced-order multiscale modeling of plastic deformations in 3D alloys with spatially varying porosity by deflated clustering analysis. (English) Zbl 1498.74015
Numerical computation of high-order expansions of invariant manifolds of high-dimensional tori. (English) Zbl 1503.37085
Dendrimer eigen-characteristics. (English) Zbl 1497.92366
MSC:
92E10
Linear algebra and multivariate analysis in statistics: development and interconnections in the twentieth century. (English) Zbl 1501.01006
Reviewer: Franz Lemmermeyer (Jagstzell)
A simpler GMRES algorithm accelerated by Chebyshev polynomials for computing PageRank. (English) Zbl 1489.65058
MSC:
65F15
Deflation for the symmetric arrowhead and diagonal-plus-rank-one eigenvalue problems. (English) Zbl 1492.65085
Mixed precision \(s\)-step Lanczos and conjugate gradient algorithms. (English) Zbl 1538.65062
Reviewer: Miroslav Rozloznik
A Rayleigh quotient-gradient neural network method for computing \(\mathcal{Z}\)-eigenpairs of general tensors. (English) Zbl 07511601
Estimating and increasing the structural robustness of a network. (English) Zbl 07511599
Reviewer: Stefano Pozza (Praha)
Performance analysis of a continuous-time two-class global first-come-first-served queue with two servers and presorting. (English) Zbl 1485.90025
An efficient sinc-collocation method via the DE transformation for eighth-order boundary value problems. (English) Zbl 1484.65152
Identification of the domain, ranges, and values of complex roots of a polynomial with complex coefficients based on stable address sorting. (English. Russian original) Zbl 1485.65055
J. Math. Sci., New York 260, No. 2, 219-229 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 166, 66-76 (2019).
MSC:
65H04
The numerical Jordan form. (English) Zbl 1482.65059
The verification of multiplicity support of a defective eigenvalue of a real matrix. (English) Zbl 1510.65067
Efficient and accurate algorithms for solving the Bethe-Salpeter eigenvalue problem for crystalline systems. (English) Zbl 1473.65044
MSC:
65F15
Bernstein processes, isovectors and mechanics. (English) Zbl 1499.60247
Ugolini, Stefania (ed.) et al., Geometry and invariance in stochastic dynamics. Selected papers based on the presentations at the the conference on random transformations and invariance in stochastic dynamics, Verona, Italy, March 25–29, 2019. Cham: Springer. Springer Proc. Math. Stat. 378, 213-229 (2021).
The second Lyapunov method for time-delay systems. (English) Zbl 1510.34159
Domoshnitsky, Alexander (ed.) et al., Functional differential equations and applications, FDEA-2019. Proceedings of the 7th international conference, Ariel, Israel, September 22–27, 2019. Singapore: Springer. Springer Proc. Math. Stat. 379, 145-167 (2021).
Reviewer: Cemil Tunç (Van)
MSC:
34K20
Phase II monitoring of multivariate profiles with estimated parameters and optimal phase I subgroups. (English) Zbl 1497.62367
MSC:
62P30
Finite-time consensus for multi-agent systems with nonlinear dynamics under Euler digraph via pinning control. (English) Zbl 1483.93580
On the least squares estimator asymptotic normality of the multivariate symmetric textured surface parameters. (English) Zbl 07450429
Reviewer: Andriy Olenko (Melbourne)
Post-processing methods for passivity enforcement. (English) Zbl 1480.93305
Benner, Peter (ed.) et al., Model order reduction. Volume 1: System- and data-driven methods and algorithms. Berlin: De Gruyter. 139-179 (2021).
Numerical methods for accurate computation of the eigenvalues of Hermitian matrices and the singular values of general matrices. (English) Zbl 1476.65052
MSC:
65F15
On eigenvalues of the reciprocal distance signless Laplacian matrix of graphs. (English) Zbl 1475.05106
Generalized eigenvalue decomposition applied to estimation of spatial rPPG distribution of skin. (English) Zbl 1525.92040
MSC:
92C55
Preserving spectral properties of structured matrices under structured perturbations. (English) Zbl 1476.15013
Reviewer: Bojan Kuzma (Ljubljana)
Dominant substructural vibration modes for fully-loaded spent nuclear fuel canisters. (English) Zbl 07360508
MSC:
74-XX
Exceptional points and domains of unitarity for a class of strongly non-Hermitian real-matrix Hamiltonians. (English) Zbl 1465.81034
Dynamics of competitive systems with diffusion between source-sink patches. (English) Zbl 1467.34053
The Crank-Nicolson-type sinc-Galerkin method for the fourth-order partial integro-differential equation with a weakly singular kernel. (English) Zbl 1459.65189
Condition numbers for real eigenvalues in the real elliptic Gaussian ensemble. (English) Zbl 1456.60019
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