Results 11 to 20 of about 1,327,202 (268)

Some fundamental theorems in the interval-valued functions and time scales [PDF]

open access: yesJournal of Mahani Mathematical Research
This research investigates the topological structure of the space of interval-valued functions equipped with an order relation defined by open balls. The aim is to establish analogues of fundamental theorems in calculus, including Bolzano’s theorem, the ...
Tahere Shokoohi   +2 more
doaj   +1 more source

Confidence Intervals for the Mean Function of a Compound Cyclic Poisson Process in the Presence of Power Function Trend

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2022
We consider the problem of estimating the mean function of a compound cyclic Poisson process in the presence of power function trend. The objectives of this paper are: (i) to construct confidence interval for the mean function of a compound cyclic ...
Faisal Muhammad   +2 more
doaj   +1 more source

AN IMPROVED METHODOLOGY FOR MULTI-CRITERIA EVALUATIONS IN THE SHIPPING INDUSTRY

open access: yesBrodogradnja, 2016
This paper presents a reliable, easy and more objective approach for ranking and determining preference in a multi-criteria decision-making problem within the shipping industry.
Daniel Osezua Aikhuele   +1 more
doaj   +1 more source

Interval Kepercayaan Untuk Fungsi Nilai Harapan dan Fungsi Ragam Proses Poisson Periodik Majemuk

open access: yesJambura Journal of Mathematics, 2022
Compound cyclic Poisson process have the mean and variance functions. The objective of this paper is to construct confidence intervals for respectively the mean and variance functions of a compound cyclic Poisson process with significance level 0alpha1 ...
Auliya Fithry   +2 more
doaj   +1 more source

A Note on the Interval Function of a Disconnected Graph

open access: yesDiscussiones Mathematicae Graph Theory, 2018
In this note we extend the Mulder-Nebeský characterization of the interval function of a connected graph to the disconnected case. One axiom needs to be adapted, but also a new axiom is needed in addition.
Changat Manoj   +3 more
doaj   +1 more source

Interval arithmetic in calculations

open access: yesOpen Engineering, 2016
Interval arithmetic is the mathematical structure, which for real intervals defines operations analogous to ordinary arithmetic ones. This field of mathematics is also called interval analysis or interval calculations.
Bairbekova Gaziza   +3 more
doaj   +1 more source

Hermite–Hadamard and Pachpatte Type Inequalities for Coordinated Preinvex Fuzzy-Interval-Valued Functions Pertaining to a Fuzzy-Interval Double Integral Operator

open access: yesMathematics, 2022
Many authors have recently examined the relationship between symmetry and generalized convexity. Generalized convexity and symmetry have become a new area of study in the field of inequalities as a result of this close relationship.
Gustavo Santos-García   +4 more
doaj   +1 more source

Function Interval Arithmetic [PDF]

open access: yes, 2014
We propose an arithmetic of function intervals as a basis for convenient rigorous numerical computation. Function intervals can be used as mathematical objects in their own right or as enclosures of functions over the reals. We present two areas of application of function interval arithmetic and associated software that implements the arithmetic: (1 ...
Duracz, Jan   +3 more
openaire   +2 more sources

Concerning Nonnegative Valued Interval Functions [PDF]

open access: yesProceedings of the American Mathematical Society, 1962
2. Preliminary definitions and theorems. Throughout this paper all integrals considered will be Hellinger [1i type limits of the appropriate sums (the definitions, theorems and proofs of this paper can be extended to "many valued" functions). Thus, if K is a real valued function of subintervals of the number interval [a, b], the existence of f[a,bjK(I)
openaire   +1 more source

Transitivity of interval and fuzzy-interval extensions of interval functions [PDF]

open access: yesAdvances in Intelligent Systems Research, 2015
Let I = [a; b] be a real compact interval and f : I ! I a continuous function. Dene Kc([a; b]) the class of all non empty compact subinterval of [a; b] and let f the natural extension of f to Kc([a; b]), that is to say, f(J) = f(J) for all J 2 I([a; b]). Also, let Fc([a; b]) the class of all fuzzy-intervals with support contained in [a; b] and consider
Yurilev Chalco-Cano   +1 more
openaire   +1 more source

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