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Recent Advances in Computer Science and Communications

Editor-in-Chief

ISSN (Print): 2666-2558
ISSN (Online): 2666-2566

Research Article

Dimensionality Reduction Technique in Decision Making Using Pythagorean Fuzzy Soft Matrices

Author(s): Rakesh Kumar Bajaj* and Abhishek Guleria

Volume 13, Issue 3, 2020

Page: [406 - 413] Pages: 8

DOI: 10.2174/2213275912666190119160621

Price: $65

Abstract

Background: Dimensionality reduction plays an effective role in downsizing the data having irregular factors and acquires an arrangement of important factors in the information. Sometimes, most of the attributes in the information are found to be correlated and hence redundant. The process of dimensionality reduction has a wider applicability in dealing with the decision making problems where a large number of factors are involved.

Objective: To take care of the impreciseness in the decision making factors in terms of the Pythagorean fuzzy information which is in the form of soft matrix. The perception of the information has the parameters - degree of membership, degree of indeterminacy (neutral) and degree of nonmembership, for a broader coverage of the information.

Methods: We first provided a technique for finding a threshold element and value for the information provided in the form of Pythagorean fuzzy soft matrix. Further, the proposed definitions of the object-oriented Pythagorean fuzzy soft matrix and the parameter-oriented Pythagorean fuzzy soft matrix have been utilized to outline an algorithm for the dimensionality reduction in the process of decision making.

Results: The proposed algorithm has been applied in a decision making problem with the help of a numerical example. A comparative analysis in contrast with the existing methodologies has also been presented with comparative remarks and additional advantages.

Conclusion: The example clearly validates the contribution and demonstrates that the proposed algorithm efficiently encounters the dimension reduction. The proposed dimensionality reduction technique may further be applied in enhancing the performance of large scale image retrieval.

Keywords: Pythagorean fuzzy soft matrix, dimensionality reduction, multiple criteria decision making, object-oriented matrix, parameter-oriented matrix, linear sequence discriminant analysis.

Graphical Abstract
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