Results 21 to 30 of about 114,441 (314)

Analysis of High-order Approximations by Spectral Interpolation Applied to One- and Two-dimensional Finite Element Method [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2020
The implementation of high-order (spectral) approximations associated with FEM is an approach to overcome the difficulties encountered in the numerical analysis of complex problems.
Luís Philipe Ribeiro Almeida   +2 more
doaj   +1 more source

Sparse model identification using orthogonal forward regression with basis pursuit and D-optimality [PDF]

open access: yes, 2004
An efficient model identification algorithm for a large class of linear-in-the-parameters models is introduced that simultaneously optimises the model approximation ability, sparsity and robustness. The derived model parameters in each forward regression
Harris, C. J.   +5 more
core   +1 more source

Sparse multioutput radial basis function network construction using combined locally regularised orthogonal least square and D-optimality experimental design [PDF]

open access: yes, 2003
A construction algorithm for multioutput radial basis function (RBF) network modelling is introduced by combining a locally regularised orthogonal least squares (LROLS) model selection with a D-optimality experimental design.
Harris, C. J.   +3 more
core   +1 more source

Cartesian symmetry classes associated with certain subgroups of $S_m$ [PDF]

open access: yesInternational Journal of Group Theory
In this paper, the problem existing $O$-basis for Cartesian symmetry classes is discussed. The dimensions of Cartesian symmetry classes associated with a cyclic subgroup of the symmetric group $S_m$ (generated by a product of disjoint cycles) and the ...
Seyyed Sadegh Gholami, Yousef Zamani
doaj   +1 more source

Fréchet algebras with orthogonal basis [PDF]

open access: yesColloquium Mathematicum, 1984
A basis \(\{e_ n\}\) in a topological algebra is called orthogonal if \(e_ ne_ m=\delta_{nm}e_ n\)- a concept introduced by this reviewer and studied in collaboration with others. In their paper [Can. J. Math. 29, 270-276 (1977; Zbl 0348.46036)], \textit{J.
Sawoń, Z., Wroński, Z.
openaire   +2 more sources

Construction of tunable radial basis function networks using orthogonal forward selection [PDF]

open access: yes, 2009
An orthogonal forward selection (OFS) algorithm based on leave-one-out (LOO) criteria is proposed for the construction of radial basis function (RBF) networks with tunable nodes.
Harris, C. J.   +7 more
core   +1 more source

Grey-box radial basis function modelling [PDF]

open access: yes, 2011
A fundamental principle in data modelling is to incorporate available a priori information regarding the underlying data generating mechanism into the modelling process.
Xia Hong   +6 more
core   +1 more source

IN THE ISSUES OF MATHEMATICAL MODELLING LOGISTICS PROCESSES [PDF]

open access: yesActa Logistica, 2019
Mathematical modelling came to logistics from economics. Economic models have been used for quite some time, but the results obtained force us to develop new branches of the theory.
Alexander Lozhkin
doaj   +1 more source

A tunable radial basis function model for nonlinear system identification using particle swarm optimisation [PDF]

open access: yes, 2009
A tunable radial basis function (RBF) network model is proposed for nonlinear system identification using particle swarm optimisation (PSO). At each stage of orthogonal forward regression (OFR) model construction, PSO optimises one RBF unit's centre ...
Harris, C. J.   +12 more
core   +1 more source

Nonlocality of orthogonal product-basis quantum states [PDF]

open access: yesPhysical Review A, 2015
5 ...
Wang, Yan-Ling   +3 more
openaire   +2 more sources

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