Results 81 to 90 of about 14,005 (202)

A Practical Real‐Time Observer‐Based Radiation Prediction Algorithm for Solar Plants

open access: yesEnergy Science &Engineering, Volume 14, Issue 2, Page 887-904, February 2026.
A novel radiation prediction method is proposed. The model's existence is verified by applying real data to an offline identifier. An adaptive state/parameter estimator is developed to identify the model. The identification process occurs in real‐time, independent of specific situations. The method offers universal radiation prediction.
S. Sepehr Tabatabaei   +2 more
wiley   +1 more source

A Projection Method for Solving Nonlinear Volterra-Fredholm Integral Equations using Legendre Hybrid Functions

open access: yesJournal of Mathematical Extension, 2013
Since various problems in science and engineering fields can be modeled by nonlinear Volterra-Fredholm integral equations, the main focus of this study is to present an effective numerical method for solving them.
M. Roodaki, Z. JafariBehbahani
doaj  

Discounted Optimal Stopping for Maxima in Diffusion Models with Finite Horizon [PDF]

open access: yes
We present a solution to some discounted optimal stopping problem for the maximum of a geometric Brownian motion on a finite time interval. The method of proof is based on reducing the initial optimal stopping problem with the continuation region ...
Pavel V. Gapeev
core  

Nonlinear Relaxation in Population Dynamics

open access: yes, 2001
We analyze the nonlinear relaxation of a complex ecosystem composed of many interacting species. The ecological system is described by generalized Lotka-Volterra equations with a multiplicative noise. The transient dynamics is studied in the framework of
Cirone, M. A.   +2 more
core   +1 more source

A Starting Method for Solving Nonlinear Volterra Integral Equations [PDF]

open access: yesMathematics of Computation, 1967
In this paper a fifth order starting method is given for Volterra equations of the form y ( t ) = f ( t ) + ∫ x 0 t k ( t
openaire   +2 more sources

TVB C++: A Fast and Flexible Back‐End for The Virtual Brain

open access: yesAdvanced Science, Volume 13, Issue 2, 9 January 2026.
TVB C++ is a streamlined and fast C++ Back‐End for The Virtual Brain (TVB), designed to make it as flexible as TVB, and FAST. Another pillar is to be fully compatible with TVB so easy bindings can be created from Python. Users can easily configure TVB C++ to execute the same code but with enhanced performance and parallelism.
Ignacio Martín   +7 more
wiley   +1 more source

Nonlinear Volterra integral equations with positive definite kernels [PDF]

open access: yesProceedings of the American Mathematical Society, 1975
Conditions are given for the asymptotic stability of the solution of a nonlinear Volterra integro-differential equation with convolution kernel. These conditions are less restrictive than most of the known ones for this equation.
openaire   +1 more source

Existence and Characterization of Solutions of Nonlinear Volterra-Stieltjes Integral Equations in Two Variables

open access: yesAbstract and Applied Analysis, 2014
The paper is devoted mainly to the study of the existence of solutions depending on two variables of a nonlinear integral equation of Volterra-Stieltjes type.
Mohamed Abdalla Darwish, Józef Banaś
doaj   +1 more source

Numerical solution methods for viscoelastic orthotropic materials [PDF]

open access: yes
Numerical solution methods for viscoelastic orthotropic materials, specifically fiber reinforced composite materials, are examined. The methods include classical lamination theory using time increments, direction solution of the Volterra Integral ...
Brinson, H. F.   +2 more
core   +1 more source

A new frequency domain representation and analysis for subharmonic oscillation [PDF]

open access: yes, 2011
For a weakly nonlinear oscillator, the frequency domain Volterra kernels, often called the generalised frequency response functions, can provide accurate analysis of the response in terms of amplitudes and frequencies, in a transparent algebraic way ...
Billings, S.A., Li, L.M.
core  

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