Výsledky vyhľadávania - complex-variable methods applied to problems in applied ((mechanika OR technica) OR technica)~

Python programming and algebra: Some special elements in Gaussian integers modulo a prime.

Alternate Title: Programación en Python y álgebra: Algunos elementos especiales en los enteros gaussianos módulo un primo. (Spanish)

Autori: Ávila, J. Liévano-González, J. D. Trujillo-Niño, O. E.

Zdroj: Scientia et Technica; ene-mar2025, Vol. 30 Issue 1, p48-57, 10p

Predmety: MATHEMATICAL proofs, GAUSSIAN integers, PYTHON programming language, NUMBER theory, COMPUTER software

Comparison of phonendoscopic signal reconstruction techniques for pattern analysis cardiac acoustics.

Alternate Title: Comparación de técnicas de reconstrucción de señales fonendoscópicas para el análisis de patrones acústicos cardíacos. (Spanish)

Autori: Rojas Arango, Gabriel Felipe Corredor Bedoya, Andrea Carolina

Zdroj: Colombian Journal of Advanced Technologies / Revista Colombiana de Tecnologías de Avanzada; ene-jun2025, Vol. 1 Issue 45, p112-124, 13p

Predmety: PHONENDOSCOPE, PHONOCARDIOGRAPHY, SIGNALS & signaling, MULTIPLE correspondence analysis (Statistics), FOURIER transforms

The product distribution of more-than-two correlated normal variables: A didactic review with some new findings.

Autori: Ogasawara, Haruhiko

Zdroj: Communications in Statistics: Theory & Methods; 2025, Vol. 54 Issue 16, p5354-5377, 24p

Predmety: PROBABILITY density function, CHARACTERISTIC functions, MELLIN transform, BESSEL functions, INTEGRAL representations, RANDOM variables

On the images of n-ellipses under the Möbius transformations.

Autori: ÖZGÜR, Nihal

Zdroj: Turkish Journal of Mathematics; 2025, Vol. 49 Issue 3, p359-371, 13p

Predmety: SIMILARITY transformations

New Approach and Integration for The Introduction of Dynamic Systems: Methodology, Models, And Relations.

Alternate Title: Nuevo enfoque y articulación para la introducción de sistemas dinamicos: metodología, modelos y relaciones. (Spanish)
Nova abordagem e articulação para introdução de sistemas dinâmicos: metodologia, modelos e relacionamentos. (Portuguese)

Autori: Ortiz Castillo, Gerffenson Perilla Martínez, Iván Gerardo Escobar Díaz, Andrés

Zdroj: Ingeniería Solidaria; May-Aug2024, Vol. 20 Issue 2, p1-36, 36p

Predmety: DYNAMICAL systems, AUTOMATIC control systems, BLOCK diagrams, INDUSTRIAL robots, LINEAR statistical models

Z-transform in Telecommunications Systems: review and applications.

Alternate Title: Transformada Z en sistemas de Telecomunicaciones: revisión y aplicaciones. (Spanish)
Transformada Z em Sistemas de Telecomunicações: Revisão e Aplicações. (Portuguese)

Autori: Molina Ruiz, Paola Andrea Vacca González, Harold

Zdroj: Ingeniería Solidaria; Sep-Dec2024, Vol. 20 Issue 3, p1-30, 30p

Predmety: FAST Fourier transforms, TELECOMMUNICATION systems, ALGORITHMS, TELECOMMUNICATION, DEMODULATION

On Hölder continuity to a function class with nonstandard growth condition.

Autori: Li, Zhongqing

Zdroj: Complex Variables & Elliptic Equations; Jul2024, Vol. 69 Issue 7, p1083-1096, 14p

Predmety: ELLIPTIC equations, EXPONENTS

Crossing beyond scattering amplitudes.

Autori: Caron-Huot, Simon Giroux, Mathieu Hannesdottir, Holmfridur S. a ďalší

Zdroj: Journal of High Energy Physics; Apr2024, Vol. 2024 Issue 4, p1-102, 102p

Predmety: SCATTERING amplitude (Physics), QUANTUM field theory, STRING theory, QUANTUM measurement, DIFFERENTIAL equations

Extension of the Bessmertnyĭ Realization Theorem for Rational Functions of Several Complex Variables.

Autori: Stefan, Anthony Welters, Aaron

Zdroj: Complex Analysis & Operator Theory; Oct2021, Vol. 15 Issue 7, p1-74, 74p

A didactic historical review of the distributions using the Bessel function: some extensions with unification.

Autori: Ogasawara, Haruhiko

Zdroj: Behaviormetrika; Jul2024, Vol. 51 Issue 2, p645-680, 36p

Finite-Element Solution of Three-Dimensional Resonator Problems. Novel Rectangular Parallelepiped Elements.

Autori: Hano, Mitsuo

Zdroj: Electronics & Communications in Japan, Part 2: Electronics; Jul88, Vol. 71 Issue 7, p27-34, 8p

Predmety: FINITE element method, RESONATORS, EIGENVALUES, MATRICES (Mathematics), MATHEMATICAL analysis, ELECTRONICS

Analyzing Operational Dynamics: Centralized Load Distribution and Suspended Wagons in Self‐Propelled Trains.

Autori: Ghalebzade, Forouzan Molatefi, Habibollah Zahedi, Rahim a ďalší

Zdroj: Advanced Control for Applications; Dec2024, Vol. 6 Issue 4, p1-20, 20p

Predmety: AXIAL loads, HYDRAULIC control systems, RAILROAD trains, ACTUATORS, WAGONS, ARTICULATED vehicles

Filtering in Discrete Fourier Transform and Its Application.

Autori: Uchida, Kazunori Noda, Takeaki Matsunaga, Toshiaki

Zdroj: Electronics & Communications in Japan, Part 2: Electronics; Feb94, Vol. 77 Issue 2, p46-55, 10p

Predmety: NUMERICAL analysis, FOURIER transforms, SCATTERING (Physics), DIFFRACTION gratings, WIENER-Hopf equations, CONJUGATE gradient methods, NUMERICAL solutions to equations

LECTURE NOTES of TICMI: Even Order Singular Elliptic Equations.

Autori: Jaiani, George V.

Zdroj: Lecture Notes of Tbilisi International Centre of Mathematics & Informatics; 2023, Vol. 24, p1-191, 191p

Accuracy of the fast multipole boundary element method with quadratic elements in the analysis of 3D porous structures.

Autori: Ptaszny, Jacek

Zdroj: Computational Mechanics; Sep2015, Vol. 56 Issue 3, p477-490, 14p

Predmety: BOUNDARY element methods, POROUS materials, STRAINS & stresses (Mechanics), NUMERICAL analysis, ASYMPTOTIC homogenization

USING THE GREEN'S FUNCTION METHOD TO ANALYZE THE RESPONSE OF AN INFINITE WIRE ON VISCO-ELASTIC SUPPORT UNDER MOVING LOAD.

Autori: MAZILU, Traian

Zdroj: Acta Technica Corviniensis - Bulletin of Engineering; Apr-Jun2013, Vol. 6 Issue 2, p35-38, 4p

Predmety: LIVE loads, VISCOELASTICITY, VELOCITY measurements, CATENARY, PANTOGRAPH

Numerical Solution of Weakly Singular Integrodifferential Equations on Closed Smooth Contour in Lebesgue Spaces.

Autori: Al Faqih, Feras M.

Zdroj: Journal of Applied Mathematics; 2012, p1-14, 14p

Predmety: MATHEMATICAL singularities, NUMERICAL solutions to integro-differential equations, SMOOTHNESS of functions, LEBESGUE integral, COLLOCATION methods, ERROR analysis in mathematics

Spectral Line Estimation Using Complex Coefficient Prefilters.

Autori: Tetsuya Shimamura Shin-ichi Takahashi Naoya Sakaguchi

Zdroj: Electronics & Communications in Japan, Part 3: Fundamental Electronic Science; Aug90, Vol. 73 Issue 8, p82-91, 10p

Predmety: SPECTRAL line formation, SPECTRUM analysis, SPECTRAL line broadening, SINE waves, DATABASES, COMPUTER files, ELECTRONIC information resources

A novel expression for the evaluation of L2 sensitivity in state-space digital filters and its minimization.

Autori: Hinamoto, Takao Yokoyama, Shuichi

Zdroj: Electronics & Communications in Japan, Part 3: Fundamental Electronic Science; Oct2000, Vol. 83 Issue 10, p37-46, 10p

Predmety: DIGITAL filters (Mathematics), ITERATIVE methods (Mathematics), STOCHASTIC convergence, STATE-space methods, COORDINATE transformations, SENSITIVITY theory (Mathematics)

A survey on boundary conditions for the biharmonic.

Autori: Sweers, Guido

Zdroj: Complex Variables & Elliptic Equations; Feb2009, Vol. 54 Issue 2, p79-93, 15p, 2 Diagrams, 2 Graphs

Predmety: BIHARMONIC equations, ELLIPTIC functions, BOUNDARY element methods, DIRICHLET forms, NUMERICAL solutions to the Dirichlet problem