Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points

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 a...

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Main Authors: Cortés J.-C., Navarro-Quiles A., Romero J.-V., Roselló M.-D.
Format: Article
Language:English
Published: Sciendo 2017-06-01
Series:Applied Mathematics and Nonlinear Sciences
Subjects:
Online Access:https://doi.org/10.21042/AMNS.2017.1.00018
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author Cortés J.-C.
Navarro-Quiles A.
Romero J.-V.
Roselló M.-D.
author_facet Cortés J.-C.
Navarro-Quiles A.
Romero J.-V.
Roselló M.-D.
author_sort Cortés J.-C.
collection DOAJ
description 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.
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spelling doaj.art-c908856e166142959fbca0056c0f6c302022-12-21T23:55:28ZengSciendoApplied Mathematics and Nonlinear Sciences2444-86562017-06-012121322410.21042/AMNS.2017.1.00018Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular pointsCortés J.-C.0Navarro-Quiles A.1Romero J.-V.2Roselló M.-D.3Instituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, SpainInstituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, SpainInstituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, SpainInstituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, SpainIn 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.https://doi.org/10.21042/AMNS.2017.1.00018random cauchy-euler differential equationrandom variable transformation techniquefirst and second probability density functions35r6060h1560h3568u20
spellingShingle Cortés J.-C.
Navarro-Quiles A.
Romero J.-V.
Roselló M.-D.
Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
Applied Mathematics and Nonlinear Sciences
random cauchy-euler differential equation
random variable transformation technique
first and second probability density functions
35r60
60h15
60h35
68u20
title Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
title_full Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
title_fullStr Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
title_full_unstemmed Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
title_short Computing the two first probability density functions of the random Cauchy-Euler differential equation: Study about regular-singular points
title_sort computing the two first probability density functions of the random cauchy euler differential equation study about regular singular points
topic random cauchy-euler differential equation
random variable transformation technique
first and second probability density functions
35r60
60h15
60h35
68u20
url https://doi.org/10.21042/AMNS.2017.1.00018
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AT navarroquilesa computingthetwofirstprobabilitydensityfunctionsoftherandomcauchyeulerdifferentialequationstudyaboutregularsingularpoints
AT romerojv computingthetwofirstprobabilitydensityfunctionsoftherandomcauchyeulerdifferentialequationstudyaboutregularsingularpoints
AT rosellomd computingthetwofirstprobabilitydensityfunctionsoftherandomcauchyeulerdifferentialequationstudyaboutregularsingularpoints