Found 5,815 Documents (Results 1–100)
On substochastic inverse eigenvalue problems with the corresponding eigenvector constraints. (English) Zbl 07931225
Core partial order and core orthogonality comparing with star partial order and star orthogonality. (English) Zbl 07926973
Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 118, No. 4, Paper No. 154, 17 p. (2024).
On the rank structure of the Moore-Penrose inverse of singular \(k\)-banded matrices. (English) Zbl 07926164
An algorithm for non-negative Leslie matrices. (English) Zbl 07924198
Vlachos, Dimitrios (ed.), Mathematical modeling in physical sciences. 12th IC-MSQUARE, Belgrade, Serbia, August 28–31, 2023. Cham: Springer. Springer Proc. Math. Stat. 446, 43-65 (2024).
Tridiagonal and single-pair matrices and the inverse sum of two single-pair matrices. (English) Zbl 07923151
Weak MPD and DMP inverses. (English) Zbl 07920141
The local Borg-Marchenko uniqueness theorem for matrix-valued Schrödinger operators with locally smooth at the right endpoint potentials. (English) Zbl 07916278
The QLY least-squares and the QLY least-squares minimal-norm of linear dual least squares problems. (English) Zbl 07916009
Weighted numerical range and weighted numerical radius for even-order tensor via Einstein product. (English) Zbl 07905938
High-order block Toeplitz inner-bordering method for solving the Gelfand-Levitan-Marchenko equation. (English) Zbl 07899962
Disjoint sections of positive semidefinite matrices and their applications in linear statistical models. (English) Zbl 07899655
Generalizations of certain conditions for Drazin inverse expressions of anti-triangular partitioned matrices. (English) Zbl 07899636
Alternative algebraic perturbation expressions for the core-EP inverse of a matrix. (English) Zbl 07899226
Using digraphs to compute determinant, permanent, and Drazin inverse of circulant matrices with two parameters. (English) Zbl 07898777
An efficient GIPM algorithm for computing the smallest V-singular value of the partially symmetric tensor. (English) Zbl 07891542
A four parameter extension to the Clement matrix and its role in numerical software testing. (English) Zbl 07890841
Parametrizing \(W\)-weighted BT inverse to obtain the \(W\)-weighted \(q\)-BT inverse. (English) Zbl 07885748
Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 118, No. 3, Paper No. 120, 13 p. (2024).
A generalization of Banach’s lemma and its applications to perturbations of bounded linear operators. (English) Zbl 07884888
Similarities between the numerical range of an operator and of certain generalized inverses. (English) Zbl 07884759
An adaptive factorized Nyström preconditioner for regularized kernel matrices. (English) Zbl 1543.65033
Polynomial preconditioning for the action of the matrix square root and inverse square root. (English) Zbl 1543.65057
Perturbations of group inverses of quaternion tensors under the QT-product. (English) Zbl 1542.15005
A nonlinear Filbert-like matrix with three free parameters: from linearity to nonlinearity. (English) Zbl 07872479
Planar equilibrium measure problem in the quadratic fields with a point charge. (English) Zbl 1543.30022
An optimization method for solving a general class of the inverse system of nonlinear fractional order PDEs. (English) Zbl 07860036
Gappy AE: a nonlinear approach for gappy data reconstruction using auto-encoder. (English) Zbl 1539.65104
A four-component hierarchy of combined integrable equations with bi-Hamiltonian formulations. (English) Zbl 07858927
Type \((\lambda^\ast,\lambda)\) reduced nonlocal integrable AKNS equations and their soliton solutions. (English) Zbl 07856325
Investigation of some Sylvester-type quaternion matrix equations with multiple unknowns. (English) Zbl 07855890
On the Fredholm determinant of the confluent hypergeometric kernel with discontinuities. (English) Zbl 1541.37072
Inheritance of quasinilpontency and Drazin invertibility between a matrix and its entry. (English) Zbl 07851914
Signed graphs and inverses of their incidence matrices. (English) Zbl 1539.05070
Reviewer: Ioan Tomescu (Bucureşti)
On the construction of an optimal network of observation points when solving inverse linear problems of gravimetry and magnetometry. (English) Zbl 1540.35471
Diagonal entries of inverses of diagonally dominant matrices. (English) Zbl 1543.15014
Reviewer: Martín Argerami (Regina)
R. Chan’s circulant-based approximate inverse preconditioning iterative method for solving second-order space fractional advection-dispersion equations with variable coefficients. (English) Zbl 07841104
The symbol approximation method: a numerical approach to the approximation of the symbol of self-adjoint operators. (English) Zbl 07841095
On the uniqueness of correspondence analysis solutions. (English) Zbl 1540.15019
Reviewer: Jaydeb Sarkar (Bangalore)
Combinatorial versus algebraic formulae for the Moore-Penrose inverse of a Laplacian matrix of a threshold graph. (English) Zbl 1536.05281
Conjugate gradient-type method for the tensor linear system via the T-product and its application in the calculation of Moore-Penrose inverse. (English) Zbl 07834537
Existence of solutions to a system of fractional three-point boundary value problem at resonance. (English) Zbl 07834008
Moore-Penrose inverse of the singular conditional matrices and its applications. (English) Zbl 07833726
Zeroing neural network approaches for computing time-varying minimal rank outer inverse. (English) Zbl 07832783
The generalized Drazin inverse of an operator matrix with commuting entries. (English) Zbl 1537.15002
Solvability of an inverse spectral problem for Jacobi matrices with mixed given data. (English) Zbl 1541.15011
Reviewer: Bilender P. Allahverdiev (Isparta)
The \(\mathcal{L}\)-positive semidefinite matrices \(A\) such that \(AA^{(†)}_{(\mathcal{L})}-A^{(†)}_{(\mathcal{L})}\) are nonsingular. (English) Zbl 1536.15003
The steady state of the boundary-driven multiparticle asymmetric diffusion model. (English) Zbl 1534.82004
Algebraic theory of generalized inverses. (English) Zbl 1542.15001
Singapore: Springer; Beijing: Science Press (ISBN 978-981-99-8284-4/hbk; 978-981-99-8287-5/pbk; 978-981-99-8285-1/ebook). xi, 322 p. (2024).
Reviewer: Mohammad Sal Moslehian (Mashhad)
Matrix derivatives and Kronecker products for the core and generalized core inverses. (English) Zbl 1535.15004
MSC:
15A09
The explicit formulas of the Drazin inverse of matrices and its \(n\)th powers. (English) Zbl 1536.15007
Reviewer: Abbas Salemi (Kerman)
MSC:
15A09
Matrices having nonzero outer inverses. (English) Zbl 1536.15002
Reviewer: Mohammad Sal Moslehian (Mashhad)
Singular value decomposition of dual matrices and its application to traveling wave identification in the brain. (English) Zbl 1533.15007
The perturbation of Drazin inverse and dual Drazin inverse. (English) Zbl 1536.15006
Reviewer: Mohammad Sal Moslehian (Mashhad)
General strong fuzzy solutions of complex fuzzy matrix equations involving the Moore-Penrose weak group inverse. (English) Zbl 1533.15012
The \(m\)-weak core inverse. (English) Zbl 1540.15007
Reviewer: Janko Marovt (Maribor)
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