Results 11 to 20 of about 36,338,648 (351)

On three-step iterative schemes associated with general quasi-variational inclusions

open access: yesAlexandria Engineering Journal, 2022
In this paper, we investigate new classes of general quasi-variational inclusions. In this regard, we prove that general quasi-variational inclusions and fixed point problems are equivalent.
Muhammad Aslam Noor   +3 more
doaj   +1 more source

Variational Methods in Optical Quantum Machine Learning

open access: yesIEEE Access, 2023
The computing world is rapidly evolving and advancing, with new ground-breaking technologies emerging. Quantum Computing and Quantum Machine Learning have opened up new possibilities, providing unprecedented computational power and problem-solving ...
Marco Simonetti   +2 more
doaj   +1 more source

Variational Inference: A Review for Statisticians [PDF]

open access: yesarXiv.org, 2016
One of the core problems of modern statistics is to approximate difficult-to-compute probability densities. This problem is especially important in Bayesian statistics, which frames all inference about unknown quantities as a calculation involving the ...
D. Blei, A. Kucukelbir, Jon D. McAuliffe
semanticscholar   +1 more source

Variational Estimation Methods for Sturm–Liouville Problems

open access: yesMathematics, 2022
In this paper, we are concerned with approach solutions for Sturm–Liouville problems (SLP) using variational problem (VP) formulation of regular SLP.
Elena Corina Cipu, Cosmin Dănuţ Barbu
doaj   +1 more source

Improved variational methods in statistical data assimilation [PDF]

open access: yesNonlinear Processes in Geophysics, 2015
Data assimilation transfers information from an observed system to a physically based model system with state variables x(t). The observations are typically noisy, the model has errors, and the initial state x(t0) is uncertain: the data assimilation ...
J. Ye   +4 more
doaj   +1 more source

Variational Methods [PDF]

open access: yes, 2015
This contribution presents derivative-based methods for local sensitivity analysis, called Variational Sensitivity Analysis (VSA). If one defines an output called the response function, its sensitivity to inputs variations around a nominal value can be studied using derivative (gradient) information.
Nodet, Maelle, Vidard, Arthur
openaire   +3 more sources

Hardware-efficient variational quantum eigensolver for small molecules and quantum magnets [PDF]

open access: yesNature, 2017
Quantum computers can be used to address electronic-structure problems and problems in materials science and condensed matter physics that can be formulated as interacting fermionic problems, problems which stretch the limits of existing high-performance
A. Kandala   +6 more
semanticscholar   +1 more source

Variational benchmarks for quantum many-body problems [PDF]

open access: yesScience, 2023
The continued development of computational approaches to many-body ground-state problems in physics and chemistry calls for a consistent way to assess its overall progress.
Dian Wu   +32 more
semanticscholar   +1 more source

VARIATIONAL METHODS IN IMAGE RECOVERY

open access: yesPesquimat, 2014
We study the semicuadratic minimization problem of the formthis functional arises in image recovery problems, when aimage that describe a real scene, consider like a function f: ΩR2 → R, is observed and reproduced like a function p: Ω R2 → R.
Víctor Osorio Vidal
doaj   +1 more source

Variational Methods for Nonsmooth Mechanics [PDF]

open access: yes, 2003
In this thesis we investigate nonsmooth classical and continuum mechanics and its discretizations by means of variational numerical and geometric methods.
Fetecau, Razvan Constantin
core   +1 more source

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