Results 21 to 30 of about 10,988,171 (189)

A Numerical Approximation Method for the Inverse Problem of the Three-Dimensional Laplace Equation

open access: yesMathematics, 2019
In this article, an inverse problem with regards to the Laplace equation with non-homogeneous Neumann boundary conditions in a three-dimensional case is investigated.
Shangqin He, Xiufang Feng
doaj   +1 more source

A Regularization Method to Solve a Cauchy Problem for the Two-Dimensional Modified Helmholtz Equation

open access: yesMathematics, 2019
In this paper, the ill-posed problem of the two-dimensional modified Helmholtz equation is investigated in a strip domain. For obtaining a stable numerical approximation solution, a mollification regularization method with the de la Vallée Poussin ...
Shangqin He, Xiufang Feng
doaj   +1 more source

A Mollification Regularization Method for a Fractional-Diffusion Inverse Heat Conduction Problem [PDF]

open access: yesMathematical Problems in Engineering, 2013
The ill-posed problem of attempting to recover the temperature functions from one measured transient data temperature at some interior point of a one-dimensional semi-infinite conductor when the governing linear diffusion equation is of fractional type is discussed.
Deng, Zhi-Liang   +2 more
openaire   +1 more source

One-Line-of-Code Data Mollification Improves Optimization of Likelihood-based Generative Models [PDF]

open access: yes, 2023
Generative Models (GMs) have attracted considerable attention due to their tremendous success in various domains, such as computer vision where they are capable to generate impressive realistic-looking images.
Filippone, Maurizio   +3 more
core   +4 more sources

Discrete mollification and automatic numerical differentiation [PDF]

open access: yes, 1998
An automatic method for numerical differentiation, based on discrete mollification and the principle of generalized cross validation is presented. With data measured at a discrete set of points of a given interval, the method allows for the approximate ...
Zhan, S., Murio, D.A., Mejía, C.E.
core   +1 more source

A regularized version of the Kuwabara-Kono force scheme for 2nd order convergence in DEM simulations of granular materials [PDF]

open access: yesEPJ Web of Conferences
The Discrete Element Method is a technique widely used to simulate multi-particle systems, in particular granular materials. For conservative systems, the integration of the equations of motion is often performed via a Verlet-type method of order two ...
Bufolo Gabriel N., Sobral Yuri D.
doaj   +1 more source

A Fluid-Structure Interaction Model for Dam-Water Systems: Analytical Study and Application to Seismic Behavior

open access: yesAdvances in Mathematical Physics, 2019
We consider a dam-water system modeled as a fluid-structure interaction, specifically, a coupled hyperbolic second-order problem, formulated in terms of the displacement of the structure and the fluid pressure.
Ricardo Faria   +2 more
doaj   +1 more source

Mollification Based onWavelets

open access: yes, 2013
The mollification obtained by truncating the expansion in wavelets is studied, where the wavelets are so chosen that noise is reduced and the Gibbs phenomenon does not occur.
Tohru Morita, Ken-ichi Sato
core   +1 more source

Referral Practices and Utilisation of Paediatric Oncology Physiotherapy Services in Ghana: A Cross‐Sectional Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Physical rehabilitation is highly recognised in improving the quality of life of cancer survivors through prehabilitation, sequelae management and palliative care, yet its integration into routine care in Ghana has not been characterised, leading to potential gaps in service access.
Dorothy Ekua Adjabu   +5 more
wiley   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee   +7 more
wiley   +1 more source

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