Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
Online veröffentlicht: 23. Juni 2017
Seitenbereich: 213 - 224
Eingereicht: 22. Feb. 2017
Akzeptiert: 23. Juni 2017
DOI: https://doi.org/10.21042/AMNS.2017.1.00018
Schlüsselwörter
© 2017 J.-C. Cortés, A. Navarro-Quiles, J.-V. Romero, M.-D. Roselló, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
In this paper the randomized Cauchy-Euler differential equation is studied. With this aim, from a statistical point of view, both the first and second probability density functions of the solution stochastic process are computed. Then, the main statistical functions, namely, the mean, the variance and the covariance functions are determined as well. The study includes the computation of the first and second probability density functions of the regular-singular infinite point via an adequate mapping transforming the problem about the origin. The study is strongly based upon the Random Variable Transformation technique along with some results that have been recently published by some of authors to the random homogeneous linear second-order differential equation. Finally, an illustrative example is shown.