Results 11 to 20 of about 14,489,673 (236)

Relative Free Energy Function and Structural Theory of Thermoeconomics

open access: yesEnergies, 2020
This paper explores the advantages of using relative free energy instead of exergy to build a mathematical theory of thermodynamic costs to diagnose malfunctions in thermal systems.
Antonio Valero, César Torres
doaj   +1 more source

Specificity of the Mathematical Modeling of Light Fields in a Sensing Element for the Fiber-Based Evanescent-Wave Mid-IR Spectroscopy [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2020
Background and Objectives: The fiber-based evanescent-wave mid-IR spectroscopy is a prospective tool for the real-time remote chemical analysis of various substances, which have their vibrational spectra in the mid-IR spectral range.
Korsakova, Svetlana Vladimirovna   +1 more
doaj   +1 more source

A cyclic system with delay and its characteristic equation [PDF]

open access: yesDiscrete and Continuous Dynamical Systems. Series A, 2017
A nonlinear cyclic system with delay and the overall negative feedback is considered. The characteristic equation of the linearized system is studied in detail.
Eric P. Braverman   +3 more
semanticscholar   +1 more source

Receiver operating characteristic curve: overview and practical use for clinicians

open access: yesKorean Journal of Anesthesiology, 2022
Using diagnostic testing to determine the presence or absence of a disease is essential in clinical practice. In many cases, test results are obtained as continuous values and require a process of conversion and interpretation and into a dichotomous form
F. Nahm
semanticscholar   +1 more source

Universal Characteristic Equation for Multi-Layer Optical Fibers

open access: yesIEEE Journal of Selected Topics in Quantum Electronics, 2020
Optical fibers featuring multi-layer refractive index profiles have been widely investigated and developed in a variety of scenarios, including space-division multiplexing transmission, fiber sensing, loss and dispersion management, as well as high-power
S. García, I. Gasulla
semanticscholar   +1 more source

Hopf bifurcation analysis of a delayed five-neuron BAM neural network with two neurons in the X-layer [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2013
In this paper, a bidirectional associative memory (BAM) neural network, which consists of two neurons in the X-layer and three neurons in the Y-layer, with two time delays will be studied.
E. Javidmanesh, Z. Afsharnezhad
doaj   +1 more source

A NOTE ON THE SOLUTION OF THE CHARACTERISTIC EQUATION OVER THE SYMMETRIZED MAX-PLUS ALGEBRA

open access: yesBarekeng, 2022
The symmetrized max-plus algebra is an extension of max-plus algebra. One of the problems in the symmetrized max-plus algebra is determining the eigenvalues of a matrix.
Gregoria Ariyanti
doaj   +1 more source

Characterizing quantum physics students’ conceptual and procedural knowledge of the characteristic equation

open access: yes, 2020
Research on student understanding of eigentheory in linear algebra has expanded recently, yet few studies address student understanding of the Characteristic Equation.
K. Serbin   +4 more
semanticscholar   +1 more source

Combined Field Integral Equation Based Theory of Characteristic Mode [PDF]

open access: yes, 2015
Conventional electric field integral equation based theory is susceptible to the spurious internal resonance problem when the characteristic modes of closed perfectly conducting objects are computed iteratively. In this paper, we present a combined field
Chew, Weng Cho   +3 more
core   +2 more sources

To the solution of one pseudo-Volterra integral equation

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2019
In this paper, we study a homogeneous singular integral Volterra equation of the second kind (pseudoVolterra integral equation). The singularity of the integral equation is shown. Properties of its kernel are proved.
M.T. Jenaliyev   +3 more
doaj   +1 more source

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