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Displaying 201 – 220 of 452

A proximal ANLS algorithm for nonnegative tensor factorization with a periodic enhanced line search

Douglas Bunker, Lixing Han, Shu Hua Zhang (2013)

Applications of Mathematics

The Alternating Nonnegative Least Squares (ANLS) method is commonly used for solving nonnegative tensor factorization problems. In this paper, we focus on algorithmic improvement of this method. We present a Proximal ANLS (PANLS) algorithm to enforce convergence. To speed up the PANLS method, we propose to combine it with a periodic enhanced line search strategy. The resulting algorithm, PANLS/PELS, converges to a critical point of the nonnegative tensor factorization problem under mild conditions....

A quadratically convergent Bernoulli-like algorithm for solving matrix polynomial equations in Markov chains.

He, C., Meini, B., Rhee, N.H., Sohraby, K. (2004)

ETNA. Electronic Transactions on Numerical Analysis [electronic only]

A quantitative extension of the Perron-Frobenius theorem for doubly stochastic matrices

Miroslav Fiedler, Vlastimil Pták (1975)

Czechoslovak Mathematical Journal

A Quaternion QR Algorithm.

A. Bunse-Gerstner, R. Byers, ... (1987)

Numerische Mathematik

A rational canonical form algorithm

Keith R. Matthews (1992)

Mathematica Bohemica

We present an easy-to-implement algorithm for transforming a matrix to rational canonical form.

A rational canonical form for matrix fields

J. Beard (1974)

Acta Arithmetica

A recursion formula for expected negative and positive powers of the central Wishart distribution.

Heinz Neudecker (2007)

SORT

We use Haff's fundamental identity to express the expectation of Sp in lower-order terms, where S follows the central Wishart distribution.

A recursion formula for the moments of the gaussian orthogonal ensemble

M. Ledoux (2009)

Annales de l'I.H.P. Probabilités et statistiques

We present an analogue of the Harer–Zagier recursion formula for the moments of the gaussian Orthogonal Ensemble in the form of a five term recurrence equation. The proof is based on simple gaussian integration by parts and differential equations on Laplace transforms. A similar recursion formula holds for the gaussian Symplectic Ensemble. As in the complex case, the result is interpreted as a recursion formula for the number of 1-vertex maps in locally orientable surfaces with a given number of...

A refined unsymmetric Lanczos eigensolver for computing accurate eigentriplets of a real unsymmetric matrix.

Tremblay, Jean Christophe, Carrington, Tucker jun. (2007)

ETNA. Electronic Transactions on Numerical Analysis [electronic only]

A refinement of an inequality of Johnson, Loewy and London on nonnegative matrices and some applications.

Laffey, Thomas J., Meehan, Eleanor (1998)

ELA. The Electronic Journal of Linear Algebra [electronic only]

A relation between the multiplicity of the second eigenvalue of a graph Laplacian, Courant's nodal line theorem and the substantial dimension of tight polyhedral surfaces.

Tlusty, Tsvi (2007)

ELA. The Electronic Journal of Linear Algebra [electronic only]

This paper deals with A-spaces in the sense of McDonald over linear algebras A of a certain type. Necessary and sufficient conditions for a submodule to be an A-space are derived.

A remark on the canonical form for a pair of orthoprojectors.

George, A., Ikramov, Kh.D. (2004)

Zapiski Nauchnykh Seminarov POMI

Currently displaying 201 – 220 of 452

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Displaying 201 – 220 of 452

A proximal ANLS algorithm for nonnegative tensor factorization with a periodic enhanced line search

A quadratically convergent Bernoulli-like algorithm for solving matrix polynomial equations in Markov chains.

A quantitative extension of the Perron-Frobenius theorem for doubly stochastic matrices

A Quaternion QR Algorithm.

A rational canonical form algorithm

A rational canonical form for matrix fields

A recursion formula for expected negative and positive powers of the central Wishart distribution.

A recursion formula for the moments of the gaussian orthogonal ensemble

A refined unsymmetric Lanczos eigensolver for computing accurate eigentriplets of a real unsymmetric matrix.

A refinement of an inequality of Johnson, Loewy and London on nonnegative matrices and some applications.

A relation between the multiplicity of the second eigenvalue of a graph Laplacian, Courant's nodal line theorem and the substantial dimension of tight polyhedral surfaces.

A relationship between a Hankel matrix of Markov parameters and the associated matrix polynomial with some applications

A Relative Backward Perturbation Theorem for the Eigenvalue Problem.

A relative Laplacian spectral recursion.

A remark on common solutions of a pair of matrix equations.

A remark on confluent Cauchy and confluent Loewner matrices

A remark on cyclic tridiagonal matrices

A remark on Koszul complexes.

A remark on spaces over a special local ring

A remark on the canonical form for a pair of orthoprojectors.

Currently displaying 201 – 220 of 452