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Title: ONE APPROACH TO DECISION MAKING IN THE TASK OF MILTI-OBJECT OPTIMIZATION
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ONE APPROACH TO DECISION MAKING IN THE TASK OF MILTI-OBJECT OPTIMIZATION
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1314-2704
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English
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20
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5.2
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The decision making theory finds its application literally at any field of science, especially at geosciences, because working with natural resources requires the most accurate tools. This paper considers one question of the given theory, which is called the solution priority problem. The priority problem in multi-object optimization is quite complex, many authors understand it in their own way. Perhaps this is because now the theory of multi-purpose optimization is in its infancy: there is no holistic understanding of the priority problem from its definition and task to its consideration. However, this work is not intended to bring final clarity to this issue, this task should be solved in the near future.
There are numerous approaches to define improvability of the given solution, but this work considers only one of it. The considered approach can be applied for defining of solution improvability in the field of multi-objective optimization. This approach is based on applying of simple preference relation of one solution to another one. For defining the task of multi-object optimization a vector criteria consisting of solutions of the task is given. After the task of multi-purpose optimization is formulated, the problem arises of determining the principle of choosing the elements that are optimal according to this principle and according to a given priority, or taking into account a given priority when using any principle, depending on which of the following sample set of cases is implemented. Moreover, the conditions under which the given solution is unimprovable (so it is Pareto optimal) have been shown. If the Pareto optimal element is unique, then it is a solution to the problem of multi-purpose optimization; if the set of Pareto optimal elements contains a significant number of elements, then it is here that the problem of narrowing this set arises on the basis of priority, restrictions, etc., finding optimal and super-optimal elements. The results presented in this paper should help solve this problem. At the end of the work, improvability and optimum conditions by given preference relations also have been presented. |
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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373-380
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18 - 24 August, 2020
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website
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cdrom
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7443
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decision theory; multi-purpose optimization; mathematical optimization; priority in multi-purpose optimization
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