Results 71 to 80 of about 497,613 (208)

Functional a posteriori error estimates for parabolic time-periodic boundary value problems [PDF]

open access: yes, 2014
The paper is concerned with parabolic time-periodic boundary value problems which are of theoretical interest and arise in different practical applications. The multiharmonic finite element method is well adapted to this class of parabolic problems.
Langer, Ulrich   +2 more
core  

A priori and a posteriori error analysis of the first order hyperbolic equation by using DG method.

open access: yesPLoS ONE, 2023
In this research article, a discontinuous Galerkin method with a weighted parameter θ and a penalty parameter γ is proposed for solving the first order hyperbolic equation. The key aim of this method is to design an error estimation for both a priori and
Muhammad Shakhawat Hossain   +2 more
doaj   +1 more source

Interior a posteriori error estimates for time discrete approximations of parabolic problems [PDF]

open access: yes, 2012
a posteriori error estimates for time discrete approximations ...
Charalambos Makridakis   +3 more
core   +1 more source

Functional a posteriori error estimates for time-periodic parabolic optimal control problems

open access: yes, 2015
This paper is devoted to the a posteriori error analysis of multiharmonic finite element approximations to distributed optimal control problems with time-periodic state equations of parabolic type.
Langer, Ulrich   +2 more
core   +1 more source

Polynomial-Degree-Robust A Posteriori Estimates in a Unified Setting for Conforming, Nonconforming, Discontinuous Galerkin, and Mixed Discretizations

open access: yesSIAM Journal on Numerical Analysis, 2015
We present equilibrated flux a posteriori error estimates in a unified setting for conforming, nonconforming, discontinuous Galerkin, and mixed finite element discretizations of the two-dimensional Poisson problem.
A. Ern, M. Vohralík
semanticscholar   +1 more source

OPTIMAL ESTIMATION OF RANDOM PROCESSES ON THE CRITERION OF MAXIMUM A POSTERIORI PROBABILITY

open access: yesСистемный анализ и прикладная информатика, 2016
The problem of obtaining the equations for the a posteriori probability density of a stochastic Markov process with a linear measurement model. Unlike common approaches based on consideration as a criterion for optimization of the minimum mean square ...
A. A. Lobaty   +2 more
doaj  

A-posteriori existence in adaptive computations [PDF]

open access: yes, 2006
This short note demonstrates that it is not necessary to assume the existence of exact solutions in an a-posteriori error analysis. If the residual of a stable numerical solution is sufficiently small there exists a nearby exact solution for which an a ...
Ortner, Christoph
core  

Essencialismo, referência e o A posteriori necessário

open access: yesFilosofia Unisinos, 2011
Este artigo discorre sobre as incongruências e lacunas epistemológicas identificadas no ponto de vista de Kripke acerca das referências. Questiono a consistência da noção de Kripke sobre uma necessidade a posteriori e demonstro que todos os exemplos ...
Mihai Rusu
doaj   +1 more source

Improving maximum likelihood estimation using prior probabilities: A tutorial on maximum a posteriori estimation and an examination of the weibull distribution [PDF]

open access: yesTutorials in Quantitative Methods for Psychology, 2013
This tutorial describes a parameter estimation technique that is little-known in social sciences, namely maximum a posteriori estimation. This technique can be used in conjunction with prior knowledge to improve maximumlikelihood estimation of the best ...
Denis Cousineau, Sebastien Helie
doaj  

A posteriori uncertainty quantification of PIV-based pressure data

open access: yes, 2016
A methodology for a posteriori uncertainty quantification of pressure data retrieved from particle image velocimetry (PIV) is proposed. It relies upon the Bayesian framework, where the posterior distribution (probability distribution of the true velocity,
I. Azijli   +4 more
semanticscholar   +1 more source

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