Artículo
Constructing reliable approximations of the random fractional Hermite equation: solution, moments and density
Autor/es | Burgos Simón, Clara
Caraballo Garrido, Tomás Cortés López, Juan Carlos Villafuerte, Laura Villanueva Micó, Rafael Jacinto |
Departamento | Universidad de Sevilla. Departamento de Ecuaciones Diferenciales y Análisis Numérico |
Fecha de publicación | 2022-08-09 |
Fecha de depósito | 2023-07-13 |
Publicado en |
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Resumen | We extend the study of the random Hermite second-order ordinary differential equation to the fractional setting. We first construct a random generalized power series that solves the equation in the mean square sense under ... We extend the study of the random Hermite second-order ordinary differential equation to the fractional setting. We first construct a random generalized power series that solves the equation in the mean square sense under mild hypotheses on the random inputs (coefficients and initial conditions). From this representation of the solution, which is a parametric stochastic process, reliable approximations of the mean and the variance are explicitly given. Then, we take advantage of the random variable transformation technique to go further and construct convergent approximations of the first probability density function of the solution. Finally, several numerically simulations are carried out to illustrate the broad applicability of our theoretical findings. |
Cita | Burgos Simón, C., Caraballo Garrido, T., Cortés López, J.C., Villafuerte, L. y Villanueva Micó, R.J. (2022). Constructing reliable approximations of the random fractional Hermite equation: solution, moments and density. Computational and Applied Mathematics, 42, 140-1. https://doi.org/10.1007/s40314-023-02274-1. |