Results 51 to 60 of about 72,855 (209)

On the solution of ill‐posed problems by projection methods with a posteriori choice of the discretization level

open access: yesMathematical Modelling and Analysis, 2002
We consider linear ill‐posed problems Au = ƒ with minimum‐norm solution u*. Instead of ƒ noisy data ƒδ are given satisfying ‖ƒδ — ƒ‖ ≤ δ with known noise level 5.
U. Hamarik, E. Avi, A. Ganina
doaj   +1 more source

A Posteriori Estimates for Backward SDEs [PDF]

open access: yesSIAM/ASA Journal on Uncertainty Quantification, 2013
Suppose an approximation to the solution of a backward SDE is precomputed by some numerical algorithm. In this paper we provide a posteriori estimates on the $L^2$-approximation error between true solution and approximate solution. These a posteriori estimates provide upper and lower bounds for the approximation error.
Christian Bender, Jessica Steiner
openaire   +1 more source

Computer simulation vs. computer-aided proof -- a priori or a posteriori?

open access: yes, 2023
Computer simulations and computer-aided proofs both use digital computers. Despite that, they have not often been considered together. Yet, both methods raise similar questions. In particular, are they a priori or rather a posteriori?
Beisbart, Claus
core  

The hybridity of what is necessary a posteriori

open access: yes, 2020
El presente escrito propone que lo necesario a posteriori corresponde a un caso híbrido de justificación, sin que ello conduzca a un compromiso racionalista extremo.
Miranda Rojas, Rafael
core   +1 more source

Convergence of simple adaptive Galerkin schemes based on h − h/2 error estimators [PDF]

open access: yes, 2008
We discuss several adaptive mesh-refinement strategies based on (h − h/2)-error estimation. This class of adaptivemethods is particularly popular in practise since it is problem independent and requires virtually no implementational overhead.
Ortner, C.   +7 more
core   +1 more source

Do testemunho à memória: o a posteriori entre a história e as ruínas

open access: yesDiversitas: Perspectivas en Psicología, 2012
Basado en investigación bibliográfica, este trabajo analiza las relaciones entre testimonio y memoria de Giorgio Agamben, Sigmund Freud, Walter Benjamin y verifica el lugar, en esas relaciones, de las nociones de olvido, de restos, de ruinas y el a ...
José César Coimbra
doaj  

Adaptivity and A Posteriori Error Estimation For DG Methods on Anisotropic Meshes [PDF]

open access: yes, 2006
Adaptivity and A Posteriori Error Estimation For DG Methods on Anisotropic ...
Hall, Edward   +5 more
core  

La dimensión empírica de la argumentación metafísica en Tomás de Aquino y Aristóteles

open access: yesTópicos, 2013
The author intends to evidence how demonstrations, as used by Aristotle and St. Thomas, do not resemble the ordinary mathematical demonstrations. Because demonstrations in Aristotle and Aquinas's metaphysics, are preferentially a posteriori by efficient ...
Carlos Llano Cifuentes
doaj   +1 more source

O ativismo judicial e constrangimentos a posteriori

open access: yesRevista de Investigações Constitucionais, 2018
O presente artigo se propõe a analisar o ativismo judicial, expressão de significado impreciso e fugidio no nosso Direito. Após estabelecer algumas premissas para a definição teórica do ativismo judicial, passa a analisar, ainda no campo teórico, que o ...
Luiz Henrique Diniz Araújo
doaj   +1 more source

Abordagens freqüentista e bayesiana para avaliação genética de bovinos da raça Canchim para características de crescimento Frequentist and bayesian approachs for genetic evaluation of Canchim beef cattle for growth traits

open access: yesRevista Brasileira de Zootecnia, 2007
Este trabalho foi realizado com os objetivos de: a) comparar os componentes de (co)variância obtidos por meio dos métodos da Máxima Verossimilhança Restrita (REML) e da inferência bayesiana (IB); b) realizar a avaliação genética do peso à desmama (P240 ...
Fábio Luiz Buranelo Toral   +2 more
doaj   +1 more source

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