Search Results - "Convergence analysis"

A Theoretical Justification for Asymmetric Actor-Critic Algorithms

Authors: Lambrechts, Gaspard Ernst, Damien Mahajan, Aditya

Source: Proceedings of Machine Learning Research (2025-07); International Conference on Machine Learning, Vancouver, Canada [CA], July 15th, 2025

Subject Terms: Asymmetric Learning, Privileged Information, Finite-Time Bound, Convergence Analysis, Natural Actor Critic, Aliasing, Partially Observable Environment, Privileged Critic, Asymmetric Actor-Critic, Agent-State Policy, Engineering, computing & technology, Computer science, Ingénierie, informatique & technologie, Sciences informatiques

Relation: urn:issn:2640-3498

Access URL: https://orbi.uliege.be/handle/2268/326874

Kaczmarz Projection Algorithms with Rank Two Gain Update

Authors: Stotsky, Alexander, 1960

Source: Journal of Signal Processing Systems. 96(4-5):327-332

Subject Terms: Extended orthogonality property, Rank two update versus rank one update, Exponential & instantaneous forgetting, Updating & downdating, Wave form distortion monitoring in smart grids, Estimation of the inverse of the information matrix, Kaczmarz algorithms in weighted moving window, Lyapunov method for convergence analysis

File Description: electronic

Access URL: https://research.chalmers.se/publication/541430
https://research.chalmers.se/publication/541430/file/541430_Fulltext.pdf

Extension and convergence analysis of Iterative Filtering to spherical data

Authors: Barbarino, Giovanni Cavassi, Roberto Cicone, Antonio

Source: Linear Algebra and its Applications. 721:542-576

Subject Terms: 0202 electrical engineering, electronic engineering, information engineering, FOS: Mathematics, Mathematics - Numerical Analysis, 02 engineering and technology, Numerical Analysis (math.NA), 01 natural sciences, Convergence analysis, Iterative Filtering, Nonstationary signals, Signal decomposition, Spherical data, 0105 earth and related environmental sciences

File Description: application/pdf

Access URL: http://arxiv.org/abs/2311.18657
https://hdl.handle.net/11697/246779
https://doi.org/10.1016/j.laa.2024.06.002

Convergence conditions for stochastic line search based optimization of over-parametrized models

Authors: Lapucci, Matteo Pucci, Davide

Source: Optimization. :1-20

Subject Terms: Machine Learning, FOS: Computer and information sciences, Optimization and Control (math.OC), Optimization and Control, FOS: Mathematics, 90C30, 90C26, 90C06, 65K05, 68T07, Finite sum optimization, interpolation condition, stochastic line search, convergence analysis, stochastic gradient related, Machine Learning (cs.LG)

File Description: application/pdf

Access URL: http://arxiv.org/abs/2408.03199
https://www.tandfonline.com/doi/full/10.1080/02331934.2025.2551250
https://doi.org/10.1080/02331934.2025.2551250
https://hdl.handle.net/2158/1433841

Interpolation-Based Iterative Methods for Nonlinear Problems

Authors: Ogbereyivwe, O. Emumejaye, K. Inonoje, S.O.E. et al.

Source: Nigerian Journal of Science and Environment; Vol. 23 No. 2 (2025); 65-77

Subject Terms: Newton Interpolation, Nonlinear equations, Iterative methods, Convergence analysis

File Description: application/pdf

Access URL: https://www.ajol.info/index.php/njse/article/view/304033

Convergence and efficiency of high order parallel schemes for nonlinear engineering models

Authors: Mudassir Shams Nasreen Kausar Ali Akgül et al.

Source: Alexandria Engineering Journal, Vol 124, Iss, Pp 80-109 (2025)

Subject Terms: Computational technique, CPU time, TA1-2040, Engineering (General). Civil engineering (General), Optimal order, Local convergence analysis

Access URL: https://doaj.org/article/d3c9ae230ba0471f9a9fb8319b0e848d

MUSE-BB: a decomposition algorithm for nonconvex two-stage problems using strong multisection branching

Authors: Marco Langiu Manuel Dahmen Dominik Bongartz et al.

Source: Journal of global optimization 92, 837-888 (2025). doi:10.1007/s10898-025-01489-2
Journal of global optimization 92(4), 837-888 (2025). doi:10.1007/s10898-025-01489-2

Subject Terms: Technology, Operations Research, Two-stage stochastic programming, Mathematics, Applied, STOCHASTIC PROGRAMS, Clustering, Convergence analysis, GENERALIZED BENDERS DECOMPOSITION, 0102 Applied Mathematics, 4901 Applied mathematics, GLOBAL OPTIMIZATION, CLUSTER PROBLEM, 0802 Computation Theory and Mathematics, INTEGER NONLINEAR PROGRAMS, Decomposition, Science & Technology, 4602 Artificial intelligence, Operations Research & Management Science, 0103 Numerical and Computational Mathematics, CUT ALGORITHM, Physical Sciences, 4903 Numerical and computational mathematics, Multisection, Mathematics

Access URL: https://juser.fz-juelich.de/record/1044195
https://publications.rwth-aachen.de/record/1010843

Finite elements for Wasserstein 𝕎p gradient flows

Authors: Cancès, Clément Matthes, Daniel Nabet, Flore et al.

Contributors: Cancès, Clément Matthes, Daniel Nabet, Flore et al.

Source: ESAIM: Mathematical Modelling and Numerical Analysis. 59:1565-1600

Subject Terms: finite elements, nonlinear stability, Wasserstein gradient flow, [MATH.MATH-NA] Mathematics [math]/Numerical Analysis [math.NA], [MATH.MATH-AP] Mathematics [math]/Analysis of PDEs [math.AP], convergence analysis

File Description: application/pdf

High order positivity-preserving numerical methods for a non-local photochemical model

Authors: Pezzella, Mario

Source: ESAIM: Mathematical Modelling and Numerical Analysis. 59:1763-1790

Subject Terms: Numerical Analysis, 65R20, 65M15, 65G99, 65Z05, 47H07, 45K05, Convergence analysis, Dynamical consistency, Non-standard finite differences, FOS: Mathematics, Direct quadrature, Volterra Integro-differential equations, Numerical Analysis (math.NA), Positivity-preserving, Predictor- corrector

File Description: application/pdf

Access URL: http://arxiv.org/abs/2501.04573
https://www.esaim-m2an.org/articles/m2an/abs/2025/03/m2an250005/m2an250005.html
https://hdl.handle.net/11588/1009580
https://www.esaim-m2an.org/articles/m2an/pdf/2025/03/m2an250005.pdf
https://doi.org/10.1051/m2an/2025041
https://hdl.handle.net/20.500.14243/552886
https://www.esaim-m2an.org/articles/m2an/abs/2025/03/m2an250005/m2an250005.html
https://hdl.handle.net/11588/1009580
https://doi.org/10.1051/m2an/2025041

An efficient space–time two-grid difference approach to symmetric regularized long waves: Enhanced efficiency and accuracy

Authors: Jingying Gao Siriguleng He Buhe Eerdun et al.

Source: Alexandria Engineering Journal, Vol 121, Iss, Pp 53-65 (2025)

Subject Terms: Symmetric regularized long wave equation, Convergence analysis, Numerical experiment, Space interpolation, TA1-2040, Engineering (General). Civil engineering (General), Two-grid

Access URL: https://doaj.org/article/4a5cf75b879b45428cb576cbe8a23e4f

A new coupling algorithm for fractional diffusion equations based on multiscale functions

Authors: Hui Zhu Lei Yang Ruimin Zhang et al.

Source: Alexandria Engineering Journal, Vol 121, Iss, Pp 379-386 (2025)

Subject Terms: Multiscale functions, Convergence analysis, Fractional diffusion equations, Stability analysis, Coupling algorithm, TA1-2040, Engineering (General). Civil engineering (General)

Access URL: https://doaj.org/article/c88267d328674022bf65fa2806a76176

Development and analysis of an efficient Jacobian-free method for systems of nonlinear equations

Authors: Janak Raj Sharma Harmandeep Singh Sunil Kumar

Source: Mathematical Modelling and Analysis, Vol 30, Iss 2 (2025)

Subject Terms: computational efficiency, Traub-Steffensen method, QA1-939, systems of nonlinear equations, Mathematics, convergence analysis

Access URL: https://doaj.org/article/039bfccb61884710ae8dd82b3ec4a5d0

State analysis of time-varying singular nonlinear systems using Legendre wavelets

Authors: Raja Balachandar, S. Venkatesh, S. G. Ayyaswamy, S. K. et al.

Source: Proyecciones (Antofagasta), Volume: 34, Issue: 1, Pages: 68-93, Published: 30 MAR 2015

Subject Terms: Legendre wavelets, Time-varying, 0209 industrial biotechnology, Convergence analysis, Singular nonlinear systems, 0202 electrical engineering, electronic engineering, information engineering, Operational matrix, 02 engineering and technology

File Description: text/html

Access URL: https://scielo.conicyt.cl/pdf/proy/v34n1/art06.pdf
https://paperity.org/p/205549073/state-analysis-of-time-varying-singular-nonlinear-systems-using-legendre-wavelets
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172015000100006
https://www.scielo.cl/pdf/proy/v34n1/art06.pdf
https://dialnet.unirioja.es/servlet/articulo?codigo=6953158
http://www.revistaproyecciones.cl/article/download/1266/978
https://scielo.conicyt.cl/pdf/proy/v34n1/art06.pdf
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172015000100006&lng=en&tlng=en

On Momentum Acceleration for Randomized Coordinate Descent in Matrix Completion

Authors: Callahan, Matthew Vu, Trung Raich, Raviv

Source: ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). :1-5

Subject Terms: randomized methods, Signal processing, asymptotic convergence analysis, Shape, coordinate descent, Computational complexity, Computational efficiency, Speech processing, Closed-form solutions, Machine learning, Recommender systems, Signal processing algorithms, Convergence, matrix completion

An innovative shifted generalized Chebyshev collocation scheme for pantograph-type delay equations

Authors: R.M. Hafez W.M. Abd-Elhameed H.M. Ahmed et al.

Source: Alexandria Engineering Journal, Vol 132, Iss , Pp 110-132 (2025)

Subject Terms: Collocation procedure, Algebraic systems of equations, Generalized Chebyshev polynomials, Delay differential equations, Convergence analysis, Engineering (General). Civil engineering (General), TA1-2040

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S1110016825010609; https://doaj.org/toc/1110-0168

Access URL: https://doaj.org/article/95dbdc1b4ade4c4d80e81c17184c9474

Stability and numerical solutions of higher-order nonlinear time-dependent delay differential equations using Haar wavelet collocation method

Authors: Rupal Aggarwal Giriraj Methi Ravi P. Agarwal

Source: Boundary Value Problems, Vol 2025, Iss 1, Pp 1-24 (2025)

Subject Terms: Haar wavelet collocation method, Time-dependent delay differential equation, Hyers-Ulam stability, Hyers-Ulam-Rassias stability, Convergence analysis, Time complexity, Analysis, QA299.6-433

File Description: electronic resource

Relation: https://doaj.org/toc/1687-2770

Access URL: https://doaj.org/article/14c07d8d34c44121b8fe4fbca99d6e4a

BDS-Adam optimizer integrating adaptive variance rectification with semi-adaptive gradient smoothing

Authors: Yichuan Shao Shiqian Weng Haijing Sun et al.

Source: Scientific Reports, Vol 15, Iss 1, Pp 1-18 (2025)

Subject Terms: Adaptive optimizer, Variance correction, Gradient smoothing, Deep learning, Convergence analysis, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/4f8b8677a5cc4a2aa2e65cfb9c0b90c0

Numerical study of a chemical clock reaction framework utilizing the Haar wavelet approach

Authors: Sylvia, Jasinth Ghosh, Surath

Source: Journal of Mathematical Chemistry. 63:1241-1286

Subject Terms: Haar wavelet method, Adams-Bashforth-Moulton method, Caputo fractional derivative, Fractional derivatives and integrals, Numerical methods for wavelets, chemical clock reaction model, Classical flows, reactions, etc. in chemistry, stability analysis, convergence analysis

File Description: application/xml

TÜRKİYE İLE ŞANGAY İŞBİRLİĞİ ÖRGÜTÜ ÜYELERİ ARASINDAKİ TİCARETTE YAKINSAMA VAR MI?

Authors: Derya Demir

Source: Volume: 23, Issue: 56969-992
Yönetim Bilimleri Dergisi

Subject Terms: Türkiye, Şangay İşbirliği Örgütü, Yakınsama analizi, Dış ticaret, Regional Development and Globalisation in International Economics, Uluslararası İktisatta Bölgesel Gelişme ve Küreselleşme, Shanghai Coperation Organization, Convergence analysis, Foreign trade

File Description: application/pdf

Access URL: https://dergipark.org.tr/tr/pub/comuybd/issue/90674/1580729

Asymptotics of large deviations of finite difference method for stochastic Cahn–Hilliard equation: Asymptotics of large deviations of finite difference method for stochastic Cahn-Hilliard equation

Authors: Jin, Diancong Sheng, Derui

Source: Acta Mathematica Scientia. 45:1078-1106

Subject Terms: Large deviations, Methods involving semicontinuity and convergence, relaxation, Probability (math.PR), FOS: Mathematics, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), large deviations rate function, \(\Gamma\)-convergence, stochastic Cahn-Hilliard equation, Computational methods for stochastic equations (aspects of stochastic analysis), finite difference method, Mathematics - Probability, convergence analysis

File Description: application/xml

Access URL: http://arxiv.org/abs/2304.11916