2006 Archives | Tiberiu Popoviciu Institute of Numerical Analysis

2006

Multi-resolution analysis, numerical methods and reverse dynamics, integrated in software instruments for performance improving in the satellite remote sensing

28 Jul 2020

AbstractAuthorsKeywordsReferencesPDFScanned paper. Latex version of the paper. Cite this paper as:P. Mitrea, A. Imbroane, A. I. Mitrea, M.-C. Anisiu, Multi-resolution…

Construction of 3D potentials from a preassigned two-parametric family of orbits

28 Jul 2020

AbstractAuthorsKeywordsReferencesPDFScanned paper. Latex version of the paper. Cite this paper as:Anisiu Mira-Cristiana, Kotoulas Thomas A., Construction of 3D potentials from…

The equivalence between the T-stabilities of Mann and Ishikawa iterations

19 Jul 2020

Abstract We show that T-stability of Mann and Ishikawa iterations are equivalent. AuthorsB.E. Rhoades S.M. Soltuz (Tiberiu Popoviciu Institute of…

Evaluation of overshooting errors in particle methods for diffusion by biased global random walk

19 Oct 2018

AbstractThe adjustment of grid steps which guarantees that particles methods yield no numerical diffusion inevitably induces overshooting errors in the…

On the accuracy of Stoermer/Verlet method as the numerical integrator of the n-body problem – Application to solar system

21 Sep 2018

AbstractThe Newton-Störmer/Verlet-leapfrog method (S/V) is a symplectic and symmetric one of order two, which, when applied to separable Hamiltonian dynamical systems,…

Numerical investigations on ergodicity of solute transport in heterogeneous aquifers

21 Aug 2018

AbstractDarcy velocities for lognormal hydraulic conductivity with small variance and finite correlation length were approximated by periodic random fields. Accurate…

Evaluation of the first‐order approximations for transport in heterogeneous media

21 Aug 2018

AbstractLongitudinal dispersion coefficients in given realizations of the transport computed by two currently used approximations of the first‐order in velocity…

On a compound approximation operator of D.D. Stancu type

10 Aug 2018

AbstractIn this note we consider a linear and positive compound approximation operator of D.D. Stancu type depending of several parameters.…

Rate of approximation for certain Durrmeyer operators

10 Aug 2018

AbstractIn the present note, we study a certain Durrmeyer type integral modification of Bernstein polynomials. We investigate simultaneous approximation and…

Bilateral approximations of solutions of equations by order three Steffensen-type methods

4 Feb 2018

Abstract We study the convergence of a method of Steffensen-type, which is obtained from the Lagrange polynomial of inverse interpolation with…

2006

Multi-resolution analysis, numerical methods and reverse dynamics, integrated in software instruments for performance improving in the satellite remote sensing

Construction of 3D potentials from a preassigned two-parametric family of orbits

The equivalence between the T-stabilities of Mann and Ishikawa iterations

Evaluation of overshooting errors in particle methods for diffusion by biased global random walk

On the accuracy of Stoermer/Verlet method as the numerical integrator of the n-body problem – Application to solar system

Numerical investigations on ergodicity of solute transport in heterogeneous aquifers

Evaluation of the first‐order approximations for transport in heterogeneous media

On a compound approximation operator of D.D. Stancu type

Rate of approximation for certain Durrmeyer operators

Bilateral approximations of solutions of equations by order three Steffensen-type methods

Publications

Spectral collocation solutions to second order singular Sturm-Liouville eigenproblems

Accurate spectral collocation computation of high order eigenvalues for singular Schrödinger equations

Accurate spectral collocation solutions to some Bratu’s type Boundary Value Problems

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2006

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