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Listar por palabra clave "Stability"

Mostrando ítems 1-20 de 190

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"Analysis of memristive properties of [Ni(Salen)] complexes"

García Martínez, Juan Miguel (Universitat Politècnica de València, 2022-07-26)

[ES] En esta tesis se ha llevado a cabo un estudio teórico de los memristores, y posteriormente se ha hecho un análisis de las propiedades memristivas de un complejo formado por [Ni(Salen)]:PMMA. Los memristores definen ...
[Book Review] H.K. Lam and F.H.F. Leung (2011) Stability Analysis of Fuzzy-Model-Based Control Systems: Linear-Matrix-Inequality Approach, Springer

Sala, Antonio (Elsevier, 2013-08-16)

This is a book review of Stability Analysis of Fuzzy-Model-Based Control Systems, H.K. Lam, F.H.F. Leung. Springer (2011), ISBN: 978-3642178436
A code to calculate high order legendre polynomials and functions

Selezneva, I. A.; Ratis, Yuri L.; Hernández, Eugenio; Pérez Quiles, María Jezabel; Fernández de Córdoba, Pedro (ACCEFYN - Academia Colombiana de Ciencias Exactas, Fisicas y Naturales, 2013)

[EN] In this paper we present, with a pedagogical aim, a method to calculate the associated Legendre functions and polynomials. The method uses stable recurrence relations involving these functions.
A dynamical comparison between iterative methods with memory: Are the derivatives good for the memory?

Cordero Barbero, Alicia; Jordan-Lluch, Cristina; Torregrosa Sánchez, Juan Ramón (Elsevier, 2017)

[EN] The role of the derivatives at the iterative expression of methods with memory for solving nonlinear equations is analyzed in this manuscript. To get this aim, a known class of methods without memory is transformed ...
A family of Kurchatov-type methods and its stability

Cordero Barbero, Alicia; Soleymani, Fazlollah; Torregrosa Sánchez, Juan Ramón; Haghani, F. Khaksar (Elsevier, 2017)

[EN] We present a parametric family of iterative methods with memory for solving of nonlinear problems including Kurchatov¿s scheme, preserving its second-order of convergence. By using the tools of multidimensional real ...
A fractional Newton method with 2 alpha th-order of convergence and its stability

Akgül, Alí; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón (Elsevier, 2019-12)

[EN] The use of fractional calculus in many branches of Science and Engineering is wide in the last years. There are different kinds of derivatives that can be useful in different problems. In this manuscript, we put the ...
A General Optimal Iterative Scheme with Arbitrary Order of Convergence

Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Triguero-Navarro, Paula (MDPI AG, 2021-05)

[EN] A general optimal iterative method, for approximating the solution of nonlinear equations, of (n+1) steps with 2(n+1) order of convergence is presented. Cases n=0 and n=1 correspond to Newton's and Ostrowski's schemes, ...
A highly efficient class of optimal fourth-order methods for solving nonlinear systems

Cordero Barbero, Alicia; Rojas-Hiciano, Renso V.; Torregrosa Sánchez, Juan Ramón; Vassileva, María P. (Springer-Verlag, 2024-04)

[EN] In this manuscript, we present a new class of highly efficient two-parameter optimal iterative methods for solving nonlinear systems that generalizes Ostrowski's method, King's Family, Chun's method, and KLAM Family ...
A Mathematical Model to Control the Prevalence of a Directly and Indirectly Transmitted Disease

Cantó Colomina, Begoña; Coll, Carmen; Pagán Moreno, Mª Jesús; Poveda, Joan; Sánchez, Elena (MDPI AG, 2021-10)

[EN] In this paper, a mathematical model to describe the spread of an infectious disease on a farm is developed. To analyze the evolution of the infection, the direct transmission from infected individuals and the indirect ...
A multidimensional dynamical approach to iterative methods with memory

Campos, Beatriz; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Vindel, Pura (Elsevier, 2015-11-15)

[EN] A dynamical approach on the dynamics of iterative methods with memory for solving nonlinear equations is made. We have designed new methods with memory from Steffensen’ or Traub’s schemes, as well as from a parametric ...
A neural network approach for chatter prediction in turning

Cherukuri, Harish; Pérez Bernabeu, Elena; Sellés, M.A.; Schmitz, Tony L. (Elsevier, 2019)

[EN] Machining processes, including turning, are a critical capability for discrete part production. One limitation to high material removal rates and reduced cost in these processes is chatter, or unstable spindle speed-chip ...
A new fourth-order family for solving nonlinear problems and its dynamics

Cordero Barbero, Alicia; Feng, Licheng; Magrenan, A.; Torregrosa Sánchez, Juan Ramón (Springer Verlag (Germany), 2015-03)

In this manuscript, a new parametric class of iterative methods for solving nonlinear systems of equations is proposed. Its fourth-order of convergence is proved and a dynamical analysis on low-degree polynomials is made ...
A New High-Order Jacobian-Free Iterative Method with Memory for Solving Nonlinear Systems

Behl, Ramandeep; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Bhalla, Sonia (MDPI AG, 2021-09-01)

[EN] We used a Kurchatov-type accelerator to construct an iterative method with memory for solving nonlinear systems, with sixth-order convergence. It was developed from an initial scheme without memory, with order of ...
A New Hyaluronic Emulgel of Hesperetin for Topical Application-An In Vitro Evaluation

Talens-Visconti, Raquel; Belarbi, Yousra; Díez-Sales, Octavio; de Julián-Ortiz, Jesús Vicente; Vila Busó, M.A. Ofelia; Nácher, Amparo (MDPI AG, 2024-04)

[EN] The present study aimed to formulate and characterize a hesperetin formulation to achieve adequate deposition and retention of hesperetin in the epidermis as a target for some cosmetic/dermatological actions. To derive ...
A New Third-Order Family of Multiple Root-Findings Based on Exponential Fitted Curve

Kanwar, Vinay; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Rajput, Mithil; Behl, Ramandeep (MDPI AG, 2023-03)

[EN] In this paper, we present a new third-order family of iterative methods in order to compute the multiple roots of nonlinear equations when the multiplicity (m >= 1) is known in advance. There is a plethora of third-order ...
A novel bi-parametric sixth order iterative scheme for solving nonlinear systems and its dynamics

Bahl, Ashu; Cordero Barbero, Alicia; Sharma, Rajni; Torregrosa Sánchez, Juan Ramón (Elsevier, 2019-09-15)

[EN] In this paper, we propose a general bi-parametric family of sixth order iterative methods to solve systems of nonlinear equations. The presented scheme contains some well known existing methods as special cases. The ...
A stable class of modified Newton-like methods for multiple roots and their dynamics

Kansal, Munish; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Bhalla, Sonia (Walter de Gruyter GmbH, 2020-10)

[EN] There have appeared in the literature a lot of optimal eighth-order iterative methods for approximating simple zeros of nonlinear functions. Although, the similar ideas can be extended for the case of multiple zeros ...
A stable family with high order of convergence for solving nonlinear equations

Cordero Barbero, Alicia; Lotfi, Taher; Mahdiani, Katayoun; Torregrosa Sánchez, Juan Ramón (Elsevier, 2015-03-01)

[EN] Recently, Li et al. (2014) have published a new family of iterative methods, without memory, with order of convergence five or six, which are not optimal in the sense of Kung and Traub’s conjecture. Therefore, we ...
Achieving Optimal Order in a Novel Family of Numerical Methods: Insights from Convergence and Dynamical Analysis Results

Moscoso-Martínez, Marlon; Chicharro, Francisco I.; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Ureña-Callay, Gabriela (MDPI AG, 2024-07)

[EN] In this manuscript, we introduce a novel parametric family of multistep iterative methods designed to solve nonlinear equations. This family is derived from a damped Newton's scheme but includes an additional Newton ...
Activity and stability of nanosized SAPO-34 in the reaction of methanol to olefins

Li, Zhibin (Universitat Politècnica de València, 2013-06-17)

[ES] Muestras de tamaño nano de SAPO-34 sintetizado por calentamiento por microondas presenta vida mucho más alto que el estándar SAPO-34 sintetizado por el método hidrotérmico convencional en la reacción de metanol a olefinas.