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Interval type-2 fuzzy automata and Interval type-2 fuzzy grammar [PDF]

open access: yes, 2021
The purpose of the present work is to introduce and study the concept of interval type-2 (IT2) fuzzy grammar which recognizes the given IT2 fuzzy languages. The relationship between IT2 fuzzy automata and IT2 fuzzy (weak) regular grammars is discussed.
Kavikumar, Jacob   +2 more
core   +1 more source

On the Pythagorean triangles with an irrational hypotenuse [PDF]

open access: yesMathematics and Computational Sciences, 2022
The paper investigates a number of incomplete exact roots of a series of natural numbers, in relation to the Pythagorean theorem that in a right-angled triangle the square of the hypotenuse is equal to the sum of the squares of the legs. It uses the fact
Tofig Aliyev, Samir Pur Riza
doaj   +1 more source

Pengaruh Penerapan Sistem E-Filling Terhadap Kepatuhan Wajib Pajak Dengan Pemahaman Internet Sebagai Variable Moderating

open access: yesLawsuit, 2022
Penelitian ini bertujuan untuk menganalisis pengaruh penerapan sistem e-filling terhadap kepatuhan wajib pajak dengan pemahaman internet sebagai variabel moderating pada KPP Pratama Serang.
fuzzy rachmawati   +2 more
doaj   +1 more source

A Combination of Fuzzy Techniques and Chow Test to Detect Structural Breaks in Time Series

open access: yesAxioms, 2023
In a series of papers, we suggested a non-statistical method for the detection of structural breaks in a time series. It is based on the applications of special fuzzy modeling methods, namely Fuzzy transform (F-transform) and selected methods of Fuzzy ...
Vilém Novák, Thi Thanh Phuong Truong
doaj   +1 more source

On the Similarity and Dependence of Time Series

open access: yesMathematics, 2021
In this paper, we undertake the problem of evaluating interrelation among time series. Interrelation is measured using a similarity index. In this paper, we suggest a new one based on the known fuzzy transform (F-transform), which has been proven to ...
Vilém Novák, Soheyla Mirshahi
doaj   +1 more source

On inf-Hesitant Fuzzy Γ-Ideals of Γ-Semigroups

open access: yesAdvances in Fuzzy Systems, 2022
The notions of an inf-hesitant fuzzy Γ-ideal and a sup,inf-hesitant fuzzy Γ-ideal, which are a generalization of an interval-valued fuzzy Γ-ideal, of a Γ-semigroup are introduced and some properties are investigated.
Pongpun Julatha, Aiyared Iampan
doaj   +1 more source

On PSO-Based Simulations of Fuzzy Dynamical Systems Induced by One-Dimensional Ones

open access: yesMathematics, 2021
Zadeh’s extension principle is one of the elementary tools in fuzzy set theory, and among other things, it provides a natural extension of a real-valued continuous self-map to a self-map having fuzzy sets as its arguments. The purpose of this paper is to
Jiří Kupka, Nicole Škorupová
doaj   +1 more source

Dist-YOLO: Fast Object Detection with Distance Estimation

open access: yesApplied Sciences, 2022
We present a scheme of how YOLO can be improved in order to predict the absolute distance of objects using only information from a monocular camera. It is fully integrated into the original architecture by extending the prediction vectors, sharing the ...
Marek Vajgl   +2 more
doaj   +1 more source

Rough Semiring-Valued Fuzzy Sets with Application

open access: yesMathematics, 2022
Many of the new fuzzy structures with complete MV-algebras as value sets, such as hesitant, intuitionistic, neutrosophic, or fuzzy soft sets, can be transformed into one type of fuzzy set with values in special complete algebras, called AMV-algebras. The
Jiří Močkoř   +2 more
doaj   +1 more source

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