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Listar por palabra clave "Stochastic process"

Mostrando ítems 1-9 de 9

A comparative study to the numerical approximation of random Airy differential equation

Cortés López, Juan Carlos; Jódar Sánchez, Lucas Antonio; Romero Bauset, José Vicente; Roselló Ferragud, María Dolores (Elsevier, 2011-11)

The aim of this paper is twofold. First, we deal with the extension to the random framework of the piecewise Fröbenius method to solve Airy differential equations. This extension is based on mean square stochastic calculus. ...
A variant-dependent molecular clock with anomalous diffusion models SARS-CoV-2 evolution in humans

Goiriz, Lucas; Ruiz, Raúl; Garibo-i-Orts, Óscar; Conejero, J. Alberto; Rodrigo Tarrega, Guillermo (Proceedings of the National Academy of Sciences, 2023-07-25)

[EN] The evolution of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in humans has been monitored at an unprecedented level due to the public health crisis, yet the stochastic dynamics underlying such a process ...
Lineability within probability theory settings

Conejero, J. Alberto; Fenoy, Mar; Murillo Arcila, Marina; Seoane Sepúlveda, Juan B. (Springer-Verlag, 2017-07)

[EN] The search of lineability consists on finding large vector spaces of mathematical objects with special properties. Such examples have arisen in the last years in a wide range of settings such as in real and complex ...
Modeling population uncertainty using statistical moments

González Parra, Gilberto Carlos; Cortés, J.-C.; Villanueva Micó, Rafael Jacinto; Santonja, Francisco José (Sociedad de Estadística e Investigación Operativa, 2012-10)

[EN] In this paper a random differential equation system modeling population dynamics is investigated by means of the statistical moments equation. Monte Carlo simulations are performed in order to compare with the statistical ...
Programa de cálculo en Matlab para la estimación de espectros de respuesta sísmica

Muñoz Calasanz, Marta (Universitat Politècnica de València, 2017-09-26)

[EN] Programming in Matlab of the solution for the calculation of the equivalent stationary duration for the operation of a program for the estimation of seismic response spectra.
Random differential equations with discrete delay

Calatayud-Gregori, Julia; Cortés, J.-C.; Jornet-Sanz, Marc (Taylor & Francis, 2019-09-03)

[EN] In this article, we study random differential equations with discrete delay with initial condition The uncertainty in the problem is reflected via the outcome omega. The initial condition g(t) is a stochastic process. ...
Random Hermite differential equations: Mean square power series solutions and statistical properties

Calbo Sanjuán, Gema; Cortés López, Juan Carlos; Jódar Sánchez, Lucas Antonio (Elsevier, 2011-12-01)

This paper deals with the construction of random power series solution of second order linear differential equations of Hermite containing uncertainty through its coefficients and initial conditions. Under appropriate ...
Solving Riccati time-dependent models with random quadratic coefficient

Cortés López, Juan Carlos; Jódar Sánchez, Lucas Antonio; Company Rossi, Rafael; Villafuerte Altuzar, Laura (Elsevier, 2011-12)

This paper deals with the construction of approximate solutions of a random logistic differential equation whose nonlinear coefficient is assumed to be an analytic stochastic process and the initial condition is a random ...
Solving the random Legendre differential equation: Mean square power series solution and its statistical functions

Calbo Sanjuán, Gema; Cortés López, Juan Carlos; Jódar Sánchez, Lucas Antonio; Villafuerte Altuzar, Laura (Elsevier, 2011-05)

In this paper we construct, by means of random power series, the solution of second order linear differential equations of Legendre-type containing uncertainty through its coefficients and initial conditions. By assuming ...