Výsledky vyhledávání - "Numerical methods in mathematical programming"

A novel projection-based method for monotone equations with Aitken Δ2 acceleration and its application to sparse signal restoration: A novel projection-based method for monotone equations with aitken \(\Delta^2\) acceleration and its application to sparse signal restoration

Autoři: Ahmad Kamandi

Zdroj: Applied Numerical Mathematics. 213:1-11

Témata: large scale systems, projection based method, signal restoration, aitken \(\Delta^2\) process, systems of monotone equations, Numerical methods for mathematical programming, optimization and variational techniques, Mathematical programming, Nonlinear algebraic or transcendental equations, normalized negative residual

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8034914
https://doi.org/10.1016/j.apnum.2025.02.013

Grid is Good. Adaptive Refinement Algorithms for Off-the-Grid Total Variation Minimization: Grid is good. Adaptive refinement algorithms for off-the-grid total variation minimization

Autoři: Flinth, Axel de Gournay, Frédéric Weiss, Pierre

Zdroj: Open Journal of Mathematical Optimization. 6:1-27

Témata: Total variation, measure spaces, Beräkningsmatematik, Communication, information, 0211 other engineering and technologies, Mathematical programming, Frank-Wolfe, 02 engineering and technology, Computational Mathematics, Frank–Wolfe, total variation, Optimization and Control (math.OC), Numerical methods for mathematical programming, optimization and variational techniques, 0202 electrical engineering, electronic engineering, information engineering, FOS: Mathematics, Mathematics - Optimization and Control

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: http://arxiv.org/abs/2301.07555
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-242250

Hyper-differential sensitivity analysis with respect to model discrepancy: Posterior optimal solution sampling: Hyper-differential sensitivity analysis with respect to model discrepancy: posterior optimal solution sampling

Autoři: Hart, Joseph Waanders, Bart van Bloemen

Zdroj: Foundations of Data Science. 7:99-133

Témata: Numerical optimization and variational techniques, post-optimality sensitivity analysis, Numerical methods for mathematical programming, optimization and variational techniques, Bayesian analysis, FOS: Mathematics, PDE-constrained optimization, model discrepancy, Probabilistic methods, stochastic differential equations, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), 0101 mathematics, hyper-differential sensitivity analysis, 01 natural sciences

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2402.10957
https://zbmath.org/7985324
https://doi.org/10.3934/fods.2024027

Efficient image restoration via non-convex total variation regularization and ADMM optimization

Autoři: Narendra Kumar Munnu Sonkar Gaurav Bhatnagar

Zdroj: Applied Mathematical Modelling. 132:428-453

Témata: non-convex optimization, total variation, image deconvolution, Numerical methods for mathematical programming, optimization and variational techniques, Communication, information, alternating direction method of multipliers, sparsity, Mathematical programming, image restoration, \( l_{\frac{ 1}{ 2}}\) regularization

Popis souboru: application/xml

An adaptive fractional-order regularization primal-dual image denoising algorithm based on non-convex function

Autoři: Minmin Li Shaojiu Bi Guangcheng Cai

Zdroj: Applied Mathematical Modelling. 131:67-83

Témata: image denoising, Numerical methods for mathematical programming, optimization and variational techniques, Communication, information, primal-dual algorithm, Mathematical programming, non-convex function, diffusion coefficient, complexity analysis, fractional-order

Popis souboru: application/xml

A New Golden Ratio Inertial Algorithm with Two Types of Self Adaptive Step Sizes for Solving Nonlinear Inclusion Problems: A new golden ratio inertial algorithm with two types of self adaptive step sizes for solving nonlinear inclusion problems

Autoři: Zhong-bao Wang Xing-yu Chen Zhang-you Chen

Zdroj: Journal of Scientific Computing. 103

Témata: Numerical methods for mathematical programming, optimization and variational techniques, nonlinear inclusion problem, convergence and convergence rates, Mathematical programming, golden ratio algorithm, self adaptive step sizes, Equations and inequalities involving nonlinear operators, inertial accelerations

Popis souboru: application/xml

Linewalker: line search for black box derivative-free optimization and surrogate model construction

Autoři: Papageorgiou, Dimitri J. Kronqvist, Jan Kumaran, Krishnan

Zdroj: Optimization and Engineering. 25:2229-2293

Témata: derivative-free optimization, Optimization and Control (math.OC), Numerical methods for mathematical programming, optimization and variational techniques, active learning, tabu search, FOS: Mathematics, Mathematical programming, surrogate model, black-box optimization, Mathematics - Optimization and Control, Operations research, mathematical programming, Gaussian process regression

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2307.10463

A multigrid assisted reanalysis method for accelerated heat transfer topology optimization

Autoři: Jichao Yin Shuhao Li Daozhen Guo a další

Zdroj: Applied Mathematical Modelling. 125:402-423

Témata: Numerical and other methods in solid mechanics, Numerical methods for mathematical programming, optimization and variational techniques, maximum temperature minimization, Optimization problems in solid mechanics, efficiency improvement, thermal compliance minimization, multigrid assisted reanalysis, topology optimization

Popis souboru: application/xml

Neurodynamic optimization algorithm for split equality problems and application to sparse signal recovery

Autoři: Binghao OuYang Yong Wang Xingxing Ju a další

Zdroj: Communications in Nonlinear Science and Numerical Simulation. 147:108822

Témata: Numerical methods for mathematical programming, optimization and variational techniques, sparse signal recovery, Nonlinear operators and their properties, Mathematical programming, fixed-time convergence, sparse image reconstruction, neurodynamic optimization algorithm, split equality problems

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8035187
https://doi.org/10.1016/j.cnsns.2025.108822

An accelerated spectral CG based algorithm for optimization techniques on Riemannian manifolds and its comparative evaluation

Autoři: Chunming Tang Wancheng Tan Yongshen Zhang a další

Zdroj: Journal of Computational and Applied Mathematics. 462:116482

Témata: global convergence, linear convergence rate, Numerical methods in optimal control, Numerical methods for mathematical programming, optimization and variational techniques, conjugate gradient method, Mathematical programming, accelerated method, Riemannian optimization

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7988019
https://doi.org/10.1016/j.cam.2024.116482

An outer space branch-reduction-bound algorithm using second-order cone relaxation with regional reduction strategy for solving equivalent generalized linear multiplicative programming

Autoři: Xiaoli Huang Yuelin Gao Bo Zhang a další

Zdroj: Journal of Computational and Applied Mathematics. 462:116481

Témata: Numerical methods for mathematical programming, optimization and variational techniques, global optimization, reduction technique, Mathematical programming, branch-and-bound, second-order cone relaxation, Operations research, mathematical programming, linear multiplicative programming

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7988018
https://doi.org/10.1016/j.cam.2024.116481

Selection of active elements for morphing tensegrities based on constructing basis for column space of sensitivity matrix

Autoři: Liu, Yuhang Deng, Hua Zhu, Dexi

Zdroj: Applied Mathematical Modelling. 119:257-272

Témata: sensitivity matrix, Numerical methods for mathematical programming, optimization and variational techniques, length actuation, column space, tensegrity, morphing structure, Equilibrium (steady-state) problems in solid mechanics, Thin bodies, structures, active element

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8019317
https://doi.org/10.1016/j.apm.2023.02.030

Intensity inhomogeneity image segmentation based on the gradient-based spaces and the prior constraint

Autoři: Zhi-Feng Pang Jinyan Yao Baoli Shi a další

Zdroj: Applied Mathematical Modelling. 119:605-625

Témata: prior constraint, Computing methodologies and applications, Numerical methods for mathematical programming, optimization and variational techniques, iterative convolution-thresholding method, Mathematical programming, alternating direction method of multipliers (ADMM), intensity inhomogeneity image segmentation, gradient-based model

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8019337
https://doi.org/10.1016/j.apm.2023.02.024

An accelerated preconditioned proximal gradient algorithm with a generalized Nesterov momentum for PET image reconstruction

Autoři: Yizun Lin Yongxin He C Ross Schmidtlein a další

Zdroj: Inverse Problems. 41:045002

Témata: positron emission tomography, total variation, Optimization and Control (math.OC), Numerical methods for mathematical programming, optimization and variational techniques, Communication, information, 65J22, 65K05, 90C25, FOS: Mathematics, Mathematical programming, accelerated preconditioned proximal gradient algorithm, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), image reconstruction, Mathematics - Optimization and Control

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2409.13344
https://zbmath.org/8034684
https://doi.org/10.1088/1361-6420/adbd6a

A step function based recursion method for 0/1 deep neural networks

Autoři: Hui Zhang Shenglong Zhou Geoffrey Ye Li a další

Zdroj: Applied Mathematics and Computation. 488:129129

Témata: Artificial intelligence, step function, Numerical methods for mathematical programming, optimization and variational techniques, separability, Mathematical programming, 0/1 DNNs, recursion method

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8030374
https://doi.org/10.1016/j.amc.2024.129129

Randomized block coordinate descent method for linear ill-posed problems

Autoři: Qinian Jin Duo Liu

Zdroj: Inverse Problems. 41:035012

Témata: convergence, Numerical analysis in abstract spaces, Mathematical programming, imaging, 65J20, 65J22, 65J10, 94A08, Numerical Analysis (math.NA), Optimization and Control (math.OC), Numerical methods for mathematical programming, optimization and variational techniques, FOS: Mathematics, linear ill-posed problems, Mathematics - Numerical Analysis, randomized block coordinate descent method, convex regularization term, Mathematics - Optimization and Control

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2405.13340

Parametric level-sets enhanced to improve reconstruction (PaLEnTIR)

Autoři: Ege Ozsar Misha Kilmer Eric de Sturler a další

Zdroj: Inverse Problems. 41:025004

Témata: FOS: Computer and information sciences, reconstruction, Computer Vision and Pattern Recognition (cs.CV), Numerical linear algebra, Image and Video Processing (eess.IV), Computer Science - Computer Vision and Pattern Recognition, Mathematical programming, parametric, piecewise constant, 02 engineering and technology, Numerical Analysis (math.NA), tomography, Electrical Engineering and Systems Science - Image and Video Processing, Level-set, 01 natural sciences, 65F22, 65F99, 65N21, Numerical methods for mathematical programming, optimization and variational techniques, PaLS, 0202 electrical engineering, electronic engineering, information engineering, FOS: Mathematics, FOS: Electrical engineering, electronic engineering, information engineering, level-set, Mathematics - Numerical Analysis, 0101 mathematics, Parametric

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: http://arxiv.org/abs/2204.09815

Uncertainty Quantification of Density Reconstruction Using MCMC Method in High-Energy X-ray Radiography: Uncertainty quantification of density reconstruction using MCMC method in high-energy X-ray radiography

Autoři: Li, Xinge Xu, Haibo Zheng, Na a další

Zdroj: Communications in Computational Physics. 27:1485-1504

Témata: Applications to the sciences, uncertainty quantification, Numerical methods for mathematical programming, optimization and variational techniques, Bayesian inference, MCMC method, inverse problem, Applications of statistics to physics, 0101 mathematics, 01 natural sciences, density reconstruction

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7418540
https://doi.org/10.4208/cicp.oa-2019-0060
https://ui.adsabs.harvard.edu/abs/2020CCoPh..27.1485S/abstract

BALANCED WORDS AND MAJORIZATION: Balanced words and majorization

Autoři: Oliver Jenkinson

Zdroj: Discrete Mathematics, Algorithms and Applications. :463-483

Témata: Combinatorial optimization, Combinatorics on words, Mathematical economics, Symbolic dynamics, 0102 computer and information sciences, 01 natural sciences, balanced word, Dynamical systems involving maps of the interval, symbolic dynamics, Numerical methods for mathematical programming, optimization and variational techniques, Sturmian, majorization, 0101 mathematics, optimization

Popis souboru: application/xml

Přístupová URL adresa: http://www.maths.qmw.ac.uk/~omj/bal3.pdf
https://zbmath.org/5680910
https://doi.org/10.1142/s179383090900035x
https://www.worldscientific.com/doi/abs/10.1142/S179383090900035X
https://doi.org/10.1142/S179383090900035X
https://dblp.uni-trier.de/db/journals/dmaa/dmaa1.html#Jenkinson09

Optimization and Applications: Optimization and applications

Autoři: Claude Lemaréchal Florian Jarre Jochem Zowe

Zdroj: Oberwolfach Reports. 2:69-133

Témata: Proceedings, conferences, collections, etc. pertaining to calculus of variations and optimal control, Collections of abstracts of lectures, Numerical methods for mathematical programming, optimization and variational techniques, Mathematical programming, Proceedings of conferences of miscellaneous specific interest, Proceedings, conferences, collections, etc. pertaining to numerical analysis, Proceedings, conferences, collections, etc. pertaining to operations research and mathematical programming

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/2195684
https://doi.org/10.4171/owr/2005/02
https://www.ems-ph.org/journals/show_abstract.php?issn=1660-8933&vol=2&iss=1&rank=2