Search Results - complex-variable methods applied to problems in applied ((technika OR technica) OR technica)~

JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT: CONTRIBUTION TO DEVELOPMENT AND APPLICATION OF MCDM METHODS IN CONSTRUCTION MANAGEMENT.

Authors: KAPLIŃSKI, Oleg VILUTIENĖ, Tatjana

Source: Journal of Civil Engineering & Management; 2025, Vol. 31 Issue 3, p281-298, 18p

Subject Terms: CIVIL engineering, MULTIPLE criteria decision making, ENGINEERING management, CONSTRUCTION management, INDUSTRIAL engineering

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)

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

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

Subject Terms: 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)

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

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

Subject Terms: 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.

Authors: Ogasawara, Haruhiko

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

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

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

Authors: ÖZGÜR, Nihal

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

Subject Terms: SIMILARITY transformations

Physicochemical methods for process wastewater treatment: powerful tools for circular economy in the chemical industry.

Authors: Tóth, András József Fózer, Dániel Mizsey, Péter et al.

Source: Reviews in Chemical Engineering; Oct2023, Vol. 39 Issue 7, p1123-1151, 29p

Subject Terms: CIRCULAR economy, WASTEWATER treatment, CHEMICAL industry, INDUSTRIAL wastes, SEWAGE

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)

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

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

Subject Terms: 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)

Authors: Molina Ruiz, Paola Andrea Vacca González, Harold

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

Subject Terms: FAST Fourier transforms, TELECOMMUNICATION systems, ALGORITHMS, TELECOMMUNICATION, DEMODULATION

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

Authors: Li, Zhongqing

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

Subject Terms: ELLIPTIC equations, EXPONENTS

Crossing beyond scattering amplitudes.

Authors: Caron-Huot, Simon Giroux, Mathieu Hannesdottir, Holmfridur S. et al.

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

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

DEGENERATE MATRICES METHODS BY SPLINES FOR BOUNDARY VALUES PROBLEMS OF ORDINARY DIFFERENTIAL EQUATIONS.

Authors: Belovs, M. Cīrulis, T.

Source: Mathematical Modelling & Analysis; 2005, Vol. 10 Issue 2, p127-140, 14p

Subject Terms: BOUNDARY value problems, DIFFERENTIAL equations, COMPLEX variables, MATHEMATICAL physics, MATRICES (Mathematics), ORTHOGONAL polynomials

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

Authors: Stefan, Anthony Welters, Aaron

Source: 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.

Authors: Ogasawara, Haruhiko

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

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

Authors: Hano, Mitsuo

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

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

Filtering in Discrete Fourier Transform and Its Application.

Authors: Uchida, Kazunori Noda, Takeaki Matsunaga, Toshiaki

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

Subject Terms: 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.

Authors: Jaiani, George V.

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

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

Authors: MAZILU, Traian

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

Subject Terms: LIVE loads, VISCOELASTICITY, VELOCITY measurements, CATENARY, PANTOGRAPH

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

Authors: Al Faqih, Feras M.

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

Subject Terms: 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.

Authors: Tetsuya Shimamura Shin-ichi Takahashi Naoya Sakaguchi

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

Subject Terms: 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.

Authors: Hinamoto, Takao Yokoyama, Shuichi

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

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