On a System of Differential Equations with Random Parameters

An explicit formula for the mathematical expectation and second moment functions of a solution to a linear system of ordinary differential equations with a random parameter and a vector random right-hand side is obtained. The problem is reduced to the deterministic Cauchy problem for systems of line...

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Veröffentlicht in:Journal of mathematical sciences (New York, N.Y.) N.Y.), 2024, Vol.283 (1), p.63-75
Hauptverfasser: Zadorozhniy, V. G., Tihomirov, G. S.
Format: Artikel
Sprache:eng
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Zusammenfassung:An explicit formula for the mathematical expectation and second moment functions of a solution to a linear system of ordinary differential equations with a random parameter and a vector random right-hand side is obtained. The problem is reduced to the deterministic Cauchy problem for systems of linear partial differential equations of the first order. We obtain an explicit formula for a solution of linear systems of partial differential equations of the first order with constant coefficients. An example is given showing that random factors can have a stabilizing effect on a linear system of differential equations.
ISSN:1072-3374
1573-8795
DOI:10.1007/s10958-024-07239-1