Results 41 to 50 of about 204,086 (161)

A tunable detector for distributed targets when signal mismatch occurs

open access: yesElectronics Letters, 2021
Aiming at the problem of distributed target detection when there is signal mismatch, this paper proposes a tunable detector, which is characterised by a tunable parameter.
Yufeng Cui   +4 more
doaj   +1 more source

Cost Function Approach for Dynamical Component Analysis: Full Recovery of Mixing and State Matrix

open access: yesAutomation
A reformulation of the dynamical component analysis (DyCA) via an optimization-free approach is presented. The original cost function approach is converted into a numerical linear algebra problem, i.e., the computation of coupled singular-value ...
Knut Hüper   +2 more
doaj   +1 more source

Teaching University-Level Mathematics Using Mathematica [PDF]

open access: yes, 2010
This paper considers the use of the computer algebra system Mathematica for teaching university-level mathematics subjects. Outlined are basic Mathematica concepts, connected with different mathematics areas: algebra, linear algebra, geometry, calculus ...
Malinova, Anna
core  

Memory Hierarchy Behavior Study during the Execution of Recursive Linear Algebra Library

open access: yesActa Polytechnica, 2008
For good performance of every computer program, good cache and TLB utilization is crucial. In numerical linear algebra libraries (such as BLAS or LAPACK), good cache utilization is achieved by explicit loop restructuring (mainly loop blocking), but this ...
I. Šimeček
doaj  

Estimation of transmission line parameters by using two least‐squares methods

open access: yesIET Generation, Transmission & Distribution, 2021
This work proposes two new approaches based on the ordinary least‐squares method and the total least‐squares method to estimate the parameters of a balanced three‐phase transmission line using voltage and current measurements from phasor measurement unit.
Felipe P. Albuquerque   +4 more
doaj   +1 more source

GRAM-SCHMIDT SUPER ORTHOGONALIZATION PROCESS FOR SUPER LINEAR ALGEBRA [PDF]

open access: yes, 2014
Gram-Schmidt Process is a method to transform an arbitrary basis into an orthogonal basis then normalize the orthogonal basis vectors to obtain an orthonormal basis.
Siti, Na’imah, Syarif, Abdullah
core  

Direct solution of the Chemical Master Equation using quantized tensor trains. [PDF]

open access: yesPLoS Computational Biology, 2014
The Chemical Master Equation (CME) is a cornerstone of stochastic analysis and simulation of models of biochemical reaction networks. Yet direct solutions of the CME have remained elusive.
Vladimir Kazeev   +3 more
doaj   +1 more source

Resilient fuzzy control design of singular stochastic biological economic fishery model

open access: yesIET Control Theory & Applications, 2021
This research paper focusses on designing a resilient fuzzy controller for a kind of singular stochastic biological economic fishery model with a variable economic profit. Initially, the singular stochastic biological economic fishery model is formulated
L. Susana Ramya, A. Leelamani
doaj   +1 more source

On Temple--Kato like inequalities and applications [PDF]

open access: yes, 2007
We give both lower and upper estimates for eigenvalues of unbounded positive definite operators in an arbitrary Hilbert space. We show scaling robust relative eigenvalue estimates for these operators in analogy to such estimates of current interest in ...
Grubisic, Luka
core  

Overview of (pro-)Lie group structures on Hopf algebra character groups

open access: yes, 2017
Character groups of Hopf algebras appear in a variety of mathematical and physical contexts. To name just a few, they arise in non-commutative geometry, renormalisation of quantum field theory, and numerical analysis.
A Connes   +47 more
core   +1 more source

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