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

The Logarithmic Derivative in Scientific Data Analysis.

Authors: Grunwald, Ruediger

Source: Encyclopedia; Jun2025, Vol. 5 Issue 2, p44, 15p

Subject Terms: NONLINEAR optics, APPLIED sciences, PLASMA spectroscopy, MULTIPHOTON processes, TIME-resolved spectroscopy

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

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

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

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

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

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

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

A comprehensive uncertainty analysis of the analytic hierarchy process methodology applied in the context of environmental decision making.

Authors: Toth, Werner Vacik, Harald

Source: Journal of Multi-Criteria Decision Analysis; Sep-Dec2018, Vol. 25 Issue 5/6, p142-161, 20p, 3 Diagrams, 10 Charts, 1 Graph

Subject Terms: UNCERTAINTY, ANALYTIC hierarchy process, DECISION making, ENVIRONMENTAL management, MULTIPLE criteria decision making

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

A combination of acoustophoresis and thermophoresis for enriching nanoparticles.

Authors: Dong, Jing Liang, Dongfang Kabla, Alexandre J. et al.

Source: Physics of Fluids; Sep2024, Vol. 36 Issue 9, p1-12, 12p

Subject Terms: ACOUSTIC surface waves, NATURAL heat convection, INFRARED lasers, SOUND waves, THERMOPHORESIS

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

Flow field design and simulation in electrochemical machining for closed integral components.

Authors: Chen, Liyong Zhu, Dong Hou, Zhenhao et al.

Source: Machining Science & Technology; 2024, Vol. 28 Issue 4, p491-522, 32p

Subject Terms: SURFACE roughness, MACHINE design, ELECTROLYTES, CATHODES, INTEGRALS

Analytic and numeric solution of a magneto-mechanical inclusion problem.

Authors: Spieler, Christian Kästner, Markus Ulbricht, Volker

Source: Archive of Applied Mechanics; Sep2015, Vol. 85 Issue 9/10, p1483-1497, 15p

Subject Terms: MAGNETOMECHANICAL effects, MATHEMATICAL variables, PROBLEM solving, MECHANICAL behavior of materials, ANALYTIC functions, BOUNDARY value problems

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

Analysis of the electrical field in viscosity sensors with torsionally vibrating quartz cylinders.

Authors: Junker, Clemens Meier, Karsten

Source: Journal of Applied Physics; 7/28/2020, Vol. 128 Issue 4, p1-16, 16p, 4 Diagrams, 1 Chart, 3 Graphs

Subject Terms: TORSIONAL vibration, ELECTRIC potential, VISCOSITY, PERMITTIVITY, DETECTORS, QUARTZ

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