The monograph examines the issues of modeling complex systems that are mathematically formalized as the problem of multicriteria selection on graphs in the conditions of nondeterminism of the original data. Conditions of non-determinism of the initial data arise in a situation where it is not possible to conduct a computational experiment and obtain accurate values of the characteristics of the system operation. In such cases, most often, resort to expert assessments of the required characteristics. We consider problems whose initial data are represented by 3 types of non-determinism: from the position of fuzzy sets, value intervals and time series. For teachers, students, post-graduate students of physical, mathematical and technical specialties interested in modeling complex systems with inaccurate initial data.
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