Suchergebnisse - Mathematics of computing Mathematical analysis Numerical analysis Computation of transforms

Instantaneous Frequency and Amplitude Estimation in Multicomponent Signals Using an EM-Based Algorithm

Autoren: Quentin Legros Dominique Fourer Sylvain Meignen et al.

Weitere Verfasser: Quentin Legros Dominique Fourer Sylvain Meignen et al.

Quelle: IEEE Transactions on Signal Processing. 72:1130-1140

Schlagwörter: Blind Source Separation and Independent Component Analysis, Artificial intelligence, Machine Fault Diagnosis and Prognostics, synthesis, ACM: H.: Information Systems/H.5: INFORMATION INTERFACES AND PRESENTATION (e.g, ACM: I.: Computing Methodologies/I.5: PATTERN RECOGNITION/I.5.4: Applications/I.5.4.1: Signal processing, Component (thermodynamics), Amplitude, Engineering, [INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing, ridge extraction, Expectation–maximization algorithm, Speech Enhancement Techniques, Spectrogram, Estimation theory, Physics, Monte Carlo sampling, Mathematical optimization, Statistics, Programming language, Algorithm, SIGNAL (programming language), Physical Sciences, Telecommunications, Thermodynamics, Empirical Mode Decomposition, Signal processing, [INFO.INFO-TS] Computer Science [cs]/Signal and Image Processing, ACM: F.: Theory of Computation/F.2: ANALYSIS OF ALGORITHMS AND PROBLEM COMPLEXITY/F.2.1: Numerical Algorithms and Problems/F.2.1.0: Computation of transforms (e.g, and processing, Instantaneous phase, Noise (video), Speech recognition, time-frequency, Quantum mechanics, ACM: G.: Mathematics of Computing, JEL: C - Mathematical and Quantitative Methods/C.C6 - Mathematical Methods • Programming Models • Mathematical and Simulation Modeling/C.C6.C63 - Computational Techniques • Simulation Modeling, FOS: Mathematics, Image (mathematics), Radar, fast Fourier transform), Bayesian estimation, Time–frequency analysis, Computer science, Control and Systems Engineering, Signal Processing, Computer Science, Maximization, Expectation-Maximization algorithm, HCI)/H.5.5: Sound and Music Computing/H.5.5.2: Signal analysis, Mathematics, Maximum likelihood

Dateibeschreibung: application/pdf

Zugangs-URL: https://hal.science/hal-04436653v1/document
https://hal.science/hal-04436653v1
https://doi.org/10.1109/tsp.2024.3361713

Computing high-index eigenvalues for the Sturm-Liouville equation with Robin boundary conditions.

Autoren: Khalili, Yasser Dehghan, Mohammad

Quelle: Computational Methods for Differential Equations; Oct2025, Vol. 13 Issue 4, p1376-1384, 9p

Schlagwörter: EIGENVALUES, BOUNDARY value problems, NUMERICAL analysis, ERROR analysis in mathematics, MATHEMATICAL analysis, DIFFERENTIAL operators

Pathfinding algorithm based on rotated block AOR technique in structured environment

Autoren: A. A. Dahalan Azali Saudi ULRR

Weitere Verfasser: A. A. Dahalan Azali Saudi ULRR

Quelle: AIMS Mathematics, Vol 7, Iss 7, Pp 11529-11550 (2022)

Schlagwörter: Artificial intelligence, 0209 industrial biotechnology, numerical analysis, Robot, Robot Navigation, FOS: Mechanical engineering, laplace's equation, 02 engineering and technology, Simultaneous Localization and Mapping, Social psychology, 01 natural sciences, Graph, Engineering, Differential equation, Relaxation (psychology), Psychology, Physics, Harmonic, Algorithm, FOS: Psychology, Physical Sciences, Computer Vision and Pattern Recognition, Shortest path problem, Computer Networks and Communications, Path Planning, Laplace transform, Aerospace Engineering, Geometry, Mathematical sciences, algorithms, Sampling-Based Motion Planning Algorithms, Probabilistic Roadmaps, Mathematical analysis, Theoretical computer science, optimal path, Distributed Multi-Agent Coordination and Control, Distributed Optimization, Laplace's equation, QA1-939, FOS: Mathematics, 0101 mathematics, half-sweep iterative method, Pathfinding, Acoustics, collision free, Computer science, Optimal Motion Planning, Computer Science, Computation, Block (permutation group theory), Mathematics

Dateibeschreibung: application/pdf

Zugangs-URL: https://doaj.org/article/94fabb2669454fc795db6cc5bd95bf04
https://hdl.handle.net/10344/13136
https://doi.org/10.34961/researchrepository-ul.24745614

On Computation of Prefactor of Free Boundary in One Dimensional One-Phase Fractional Stefan Problems.

Autoren: Caruso, Nahuel Roscani, Sabrina Venturato, Lucas et al.

Quelle: Fractal & Fractional; Jul2025, Vol. 9 Issue 7, p397, 25p

Schlagwörter: HEAT conduction, MATHEMATICAL analysis, DIMENSIONAL analysis, NUMERICAL analysis, INTERFACES (Physical sciences), DISCRETIZATION methods

Solving Fuzzy Non-homogeneous Wave Equations via Laplace Residual Power Series Approach.

Autoren: Ghazouani, Aziz El Elomari, M'hamed

Quelle: New Mathematics & Natural Computation; Mar2026, Vol. 22 Issue 1, p29-39, 11p

Schlagwörter: WAVE equation, POWER series, ALGORITHMS, DIFFERENTIABLE functions, NUMERICAL analysis, MATHEMATICAL analysis

Theoretical error estimates for computing the matrix logarithm by Padé-type approximants.

Autoren: Aceto, Lidia Durastante, Fabio

Quelle: Linear & Multilinear Algebra; Jun2025, Vol. 73 Issue 9, p2251-2270, 20p

Schlagwörter: PADE approximant, GAUSSIAN quadrature formulas, QUANTITATIVE research, MATHEMATICAL analysis, STATISTICAL reliability, APPROXIMATION error, NUMERICAL analysis, MATRIX functions

Spatial Distribution Analysis and Comparative Forecasting of Dengue Resurgence in the Philippines (2025–2027): A Nationwide Study.

Autoren: Olana, Kenny Oriel Aranas Poprom, Napaphat Siewchaisakul, Pallop et al.

Quelle: Transboundary & Emerging Diseases. 10/15/2025, Vol. 2025, p1-16. 16p.

Mathematics and Computing

Autoren: B. Rushi Kumar S. Ponnusamy Debasis Giri et al.

Resource Type: eBook.

Schlagworte: Algebras, Linear, Mathematical analysis, Integral equations, Fluid mechanics, Numerical analysis, Mathematical models

Categories: MATHEMATICS / Algebra / Linear, MATHEMATICS / Applied, MATHEMATICS / Mathematical Analysis, SCIENCE / Mechanics / Fluids, TECHNOLOGY & ENGINEERING / Mechanical, MATHEMATICS / Numerical Analysis

Mathematical Methods in Quantum Chemistry.

Autoren: Dusson, Genevi`eve Herbst, Michael Stamm, Benjamin et al.

Quelle: Oberwolfach Reports; 2025, Vol. 22 Issue 1, p615-683, 68p

Schlagwörter: DENSITY matrices, QUANTUM chemistry, SCHRODINGER equation, PARTIAL differential equations, MATHEMATICAL analysis

A Short Survey on Arithmetic Transforms and the Arithmetic Hartley Transform

Autoren: Renato J. Cintra H. M. de Oliveira

Quelle: Journal of Communication and Information Systems. 19:68-79

Schlagwörter: 02 engineering and technology, Arbitrary-precision arithmetic, Mathematical analysis, Engineering, Classical Analysis and ODEs (math.CA), FOS: Mathematics, 0202 electrical engineering, electronic engineering, information engineering, Hartley transform, Mathematics - Numerical Analysis, Floating-Point Arithmetic in Scientific Computation, Advanced Techniques in Digital Signal Processing, Discrete Fourier transform (general), Interval Analysis, Algebra over a field, Arithmetic, 42Bxx, 65Txx, Pure mathematics, Numerical Analysis (math.NA), System Identification Techniques, Affine arithmetic, Affine transformation, Fourier analysis, 6. Clean water, Fractional Fourier transform, Algorithm, Computational Theory and Mathematics, Discrete Hartley transform, Saturation arithmetic, Mathematics - Classical Analysis and ODEs, Control and Systems Engineering, Signal Processing, Computer Science, Physical Sciences, Fourier transform, Mathematics

Zugangs-URL: https://jcis.sbrt.org.br/jcis/article/download/301/214
http://arxiv.org/abs/1504.06106
https://arxiv.org/pdf/1504.06106.pdf
https://arxiv.org/pdf/1504.06106v1
https://dblp.uni-trier.de/db/journals/corr/corr1504.html#CintraO15
https://arxiv.org/abs/1504.06106
http://ui.adsabs.harvard.edu/abs/2015arXiv150406106C/abstract
https://arxiv.org/pdf/1504.06106v1

A unified framework for asymptotic analysis and computation of finite Hankel transform

Autoren: Haiyong Wang

Quelle: Journal of Mathematical Analysis and Applications. 483:123640

Schlagwörter: 65D30, 65D32, 65R10, 41A60, FOS: Mathematics, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), 0101 mathematics, 01 natural sciences

Zugangs-URL: http://arxiv.org/pdf/1801.06950
http://arxiv.org/abs/1801.06950
https://www.sciencedirect.com/science/article/pii/S0022247X19309084

Synergies in Analysis, Discrete Mathematics, Soft Computing and Modelling

Autoren: P. V. Subrahmanyam V. Antony Vijesh Balasubramaniam Jayaram et al.

Resource Type: eBook.

Schlagworte: Mathematics—Data processing, Mathematical physics, Computer simulation, Mathematical analysis, Discrete mathematics

Categories: MATHEMATICS / Numerical Analysis, MATHEMATICS / Discrete Mathematics, MATHEMATICS / Mathematical Analysis, SCIENCE / Physics / Mathematical & Computational

Proceedings of the First International Conference on Applied Mathematics, Statistics, and Computing (ICAMSAC 2023)

Autoren: Komang Dharmawan Ngurah Agus Sanjaya ER

Resource Type: eBook.

Schlagworte: Mathematics--Congresses, Computer simulation--Congresses

Categories: COMPUTERS / Computer Simulation

Architecture of Advanced Numerical Analysis Systems

Autoren: Liang Wang Jianxin Zhao

Resource Type: eBook.

Schlagworte: OCaml (Computer program language), Science--Data processing, Numerical analysis--Data processing

Categories: COMPUTERS / Languages / General, COMPUTERS / General, COMPUTERS / Artificial Intelligence / General, COMPUTERS / Computer Science, COMPUTERS / Database Administration & Management

Hilbert Complexes: Analysis, Applications, and Discretizations.

Quelle: Oberwolfach Reports; 2022, Vol. 19 Issue 2, p1603-1659, 57p

Schlagwörter: PARTIAL differential equations, NUMERICAL analysis, MATHEMATICAL analysis, HILBERT transform, MATHEMATICIANS, BIHARMONIC equations

Mathematical Modeling of the Human Brain

Autoren: Kent-André Mardal Marie E. Rognes Travis B. Thompson et al.

Resource Type: eBook.

Schlagworte: Brain--Magnetic resonance imaging--Mathematical models

Categories: MATHEMATICS / Applied, SCIENCE / Life Sciences / Human Anatomy & Physiology, MATHEMATICS / Numerical Analysis

Optimal Surface Fitting of Point Clouds Using Local Refinement

Autoren: Gaël Kermarrec Vibeke Skytt Tor Dokken

Resource Type: eBook.

Schlagworte: Geographic information systems--Mathematics, Spline theory

Categories: SCIENCE / Earth Sciences / Geography, COMPUTERS / Mathematical & Statistical Software, MATHEMATICS / Numerical Analysis

ASAS-NANP symposium: Mathematical Modeling in Animal Nutrition: The power of identifiability analysis for dynamic modeling in animal science: a practitioner approach.

Autoren: Muñoz-Tamayo, Rafael Tedeschi, Luis O.

Quelle: Journal of Animal Science. Jan2023, Vol. 101 Issue 1, p1-13. 13p. 1 Color Photograph, 3 Diagrams, 2 Charts, 1 Graph.

Exploring soliton solutions and interesting wave-form patterns of the (1 + 1)-dimensional longitudinal wave equation in a magnetic-electro-elastic circular rod.

Autoren: Kumar, Amit Kumar, Sachin Bohra, Nisha et al.

Quelle: Optical & Quantum Electronics; Jun2024, Vol. 56 Issue 6, p1-26, 26p

Schlagwörter: LONGITUDINAL waves, WAVE equation, TRAVELING waves (Physics), RICCATI equation, NUMERICAL analysis, MATHEMATICAL analysis, NONLINEAR evolution equations, KADOMTSEV-Petviashvili equation

Recent Advances in Industrial and Applied Mathematics

Autoren: Tomás Chacón Rebollo Rosa Donat Inmaculada Higueras

Resource Type: eBook.

Schlagworte: Mathematics--Congresses

Categories: MATHEMATICS / Applied, COMPUTERS / Mathematical & Statistical Software, MATHEMATICS / Differential Equations / General, MATHEMATICS / Numerical Analysis