Informatics and Applications

2020, Volume 14, Issue 2, pp 103

SOLUTION OF THE UNCONDITIONAL EXTREMAL PROBLEM FOR A LINEAR-FRACTIONAL INTEGRAL FUNCTIONAL DEPENDENT ON THE PARAMETER

  • P. V. Shnurkov
  • K. A. Adamova

Abstract

The paper is devoted to the study of the unconditional extremal problem for a fractional linear integral functional defined on a set of probability distributions. In contrast to results proved earlier, the integrands of the integral expressions in the numerator and the denominator in the problem under consideration depend on a real optimization parameter vector. Thus, the optimization problem is studied on the Cartesian product of a set of probability distributions and a set of admissible values of a real parameter vector. Three statements on the extremum of a fractional linear integral functional are proved. It is established that, in all the variants, the solution of the original problem is completely determined by the extremal properties of the test function of the linear-fractional integral functional; this function is the ratio of the integrands of the numerator and the denominator. Possible applications of the results obtained to problems of optimal control of stochastic systems are described.

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