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JACIII Vol.24 No.5 pp. 599-603
doi: 10.20965/jaciii.2020.p0599
(2020)

Paper:

# How to Combine (Dis)Utilities of Different Aspects into a Single (Dis)Utility Value, and How This Is Related to Geometric Images of Happiness

## Laxman Bokati*1, Hoang Phuong Nguyen*2,†, Olga Kosheleva*3, and Vladik Kreinovich*1,*4

*1Computational Science Program, University of Texas at El Paso
500 W. University, El Paso, Texas 79968, USA

*2Division Informatics, Math-Informatics Faculty, Thang Long University
Nghiem Xuan Yem Road, Hoang Mai District, Hanoi, Vietnam

*3Department of Teacher Education, University of Texas at El Paso
500 W. University, El Paso, Texas 79968, USA

*4Department of Computer Science, University of Texas at El Paso
500 W. University, El Paso, Texas 79968, USA

Corresponding author

March 15, 2020
Accepted:
April 15, 2020
Published:
September 20, 2020
Keywords:
utility, disutility, decision making, geometric image of happiness
Abstract

In many practical situations, a user needs our help in selecting the best out of a large number of alternatives. To be able to help, we need to understand the user’s preferences. In decision theory, preferences are described by numerical values known as utilities. It is often not feasible to ask the user to provide utilities of all possible alternatives, so we must be able to estimate these utilities based on utilities of different aspects of these alternatives. In this paper, we provide a general formula for combining utilities of aspects into a single utility value. The resulting formula turns out to be in good accordance with the known correspondence between geometric images and different degrees of happiness.

L. Bokati, H. Nguyen, O. Kosheleva, and V. Kreinovich, “How to Combine (Dis)Utilities of Different Aspects into a Single (Dis)Utility Value, and How This Is Related to Geometric Images of Happiness,” J. Adv. Comput. Intell. Intell. Inform., Vol.24 No.5, pp. 599-603, 2020.
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References
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Last updated on Sep. 20, 2024