A5031981298- Advanced Optimization Algorithms Research
- Iterative Methods for Nonlinear Equations
- Matrix Theory and Algorithms
- Optimization and Variational Analysis
- Nuclear reactor physics and engineering
- Advanced Control Systems Optimization
- Dark Matter and Cosmic Phenomena
- Nuclear Physics and Applications
- Atomic and Subatomic Physics Research
- Radiation Detection and Scintillator Technologies
- Fractional Differential Equations Solutions
- Business, Education, Mathematics Research
- Particle physics theoretical and experimental studies
- Business, Innovation, and Economy
- Neural Networks and Applications
- Fault Detection and Control Systems
- Nuclear physics research studies
- Employment, Labor, and Gender Studies
- Ionosphere and magnetosphere dynamics
- Fuzzy Logic and Control Systems
- Advanced Numerical Methods in Computational Mathematics
- Developmental and Educational Neuropsychology
- Plasma Diagnostics and Applications
- Composite Structure Analysis and Optimization
- Heat transfer and supercritical fluids
University of Cauca
2014-2024
Universidade de São Paulo
2024
Institut de Physique
2019
Institut National de Physique Nucléaire et de Physique des Particules
2019
Centre National de la Recherche Scientifique
2019
Université Paris-Sud
2019
Oak Ridge National Laboratory
1990-2001
Universidade Estadual de Campinas (UNICAMP)
1999-2000
In this work, we introduce a family of Least Change Secant Update Methods for solving Nonlinear Complementarity Problems based on its reformulation as nonsmooth system using the one-parametric class nonlinear complementarity functions introduced by Kanzow and Kleinmichel. We prove local superlinear convergence algorithms. Some numerical experiments show good performance algorithm.
A lifetime measurement of the 19/2− state in 207Pb has been performed using Recoil Distance Doppler-Shift (RDDS) method. The nuclei interest were produced multi-nucleon transfer reactions induced by a 208Pb beam impinging on 100Mo enriched target. beam-like detected and identified terms their atomic mass number VAMOS++ spectrometer while prompt γ rays AGATA tracking array. measured large reduced transition probability B(E3,19/2−→13/2+)=40(8) W.u. is first indication octupole phonon at high...
In this paper, we present a smoothing of family nonlinear complementarity functions and use its properties in combination with the smooth Jacobian strategy to new generalized Newton-type algorithm solve nonsmooth system equations equivalent Nonlinear Complementarity Problem. addition, prove that converges locally q-quadratically, analyze numerical performance.
Abstract In this paper, we propose a Jacobian smoothing inexact Newton-type algorithm for solving the nonlinear complementarity problem by reformulating it as system of equations. We show that converges up to q -quadratically and present numerical experiments its good local performance. order compare in terms time our with other known algorithms, introduce new normalized measurement call index .
Abstract In this paper, we propose a least-change secant algorithm to solve the generalized complementarity problem indirectly trough its reformulation as nonsmooth system of nonlinear equations using one-parametric family functions. We present local and superlinear convergence results new analyze numerical performance.
Building upon the concept of utilizing quasi-parabolic approximations to determine plasma frequency profiles from ionograms, we present a refined multi-quasi-parabolic method for modeling E and F layers. While recent study AIP Advances 14 065034 introduced an approach in this direction, identified several inaccuracies its mathematical treatment numerical results. By addressing these issues, offer clearer exposition more robust algorithm. Our assumes parabolic profile layer approximates with...
Abstract In this paper, we present a new nonsmooth Newton-type algorithm for solving the generalized complementarity problem based on its reformulation as system of nonlinear equations using one-parametric family functions. We demonstrate, under suitable hypotheses, that converges locally and q -quadratically. addition, show numerical experiments allow us to see good performance proposed algorithm.
Debido a la importancia y efectividad del método con jacobiano suavizado o cuasi-Newton para resolver indirectamente el problema de complementariedad no lineal, que función Mínimo ha sido usada en conexión dichos métodos, presente trabajo se propone un algoritmo ese tipo, dicha una suavización misma. Se demuestra bajo ciertas hipótesis propuesto converge local q-cuadráticamente. Además, presentan pruebas numéricas muestran buen desempeño algoritmo.
En los ´ultimos a˜nos, ha aumentado la investigaci´on relacionada con b´usqueda de algoritmos eficientes que resuelvan el problema complementariedad no lineal mediante su reformulaci´on como un sistema ecuaciones lineales, diferenciable, usando las llamadas funciones complementariedad. este art´ıculo, consideramos funci´on uniparam´etrica propuesta en [11] y proponemos una nueva forma definirla cuadr´atica, sim´etrica definida positiva. Con esta definici´on, demostramos est´a bien algunas sus...
In this work new quasi-Newton methods for solving large-scale nonlinear systems of equations are presented. these q(>1) columns the approximation inverse Jacobian matrix updated in such a way that q last secant satisfied (whenever possible) at every iteration. An optimal maximum value makes method competitive is strongly suggested. The best implementation from point view linear algebra and numerical stability proposed local convergence result case q=2 proved. Several comparative tests with...
In this paper, we use the smoothing Jacobian strategy to propose a new algorithm for solving complementarity problems based on its reformulation as nonsmooth system of equations. This can be seen generalization one proposed in [18]. We develop global convergence theory and under certain assumptions, demonstrate that converges locally and, q-superlinearly or q-quadratically solution problem. Some numerical experiments show good performance algorithm.
The multi-nucleon transfer reaction mechanism was used to produce and study nuclei in the vicinity of 208Pb. This mass region is a test case for nuclear shell model. identification fragments performed with large acceptance magnetic spectrometer VAMOS++ coupled AGATA γ-tracking array. experiment aimed determine both lifetimes gyromagnetic ratios excited states Cologne plunger device. analysis indicates promising results possibility several new this region.
Resumen.En este artículo se presenta una globalización del algoritmo cuasi-Newton local propuesto en [16] para resolver la ecuación cuadrática matricial.Se demuestra que estrategia de usada no interfiere
En este artículo consideramos el problema de valores propios complementarios, gran interés para muchos investigadores por sus numerosas aplicaciones en Ingeniería y Física, abordamos su solución como un complementariedad no lineal usando método cuasi-Newton, tipo que, hasta donde conocemos, ha sido utilizado dicho fin. Verificamos que satisface ciertas hipótesis permiten utilizar algoritmo global cuasi-Newton realizamos pruebas numéricas muestran la eficacia del lo hacen una buena...