Fractional calculus for interval-valued functions

V Lupulescu - Fuzzy Sets and Systems, 2015 - Elsevier
We use a generalization of the Hukuhara difference for closed intervals on the real line to
develop a theory of the fractional calculus for interval-valued functions. The properties of …

Computer-aided breast cancer diagnosis based on image segmentation and interval analysis

Q Liu, Z Liu, S Yong, K Jia, N Razmjooy - Automatika, 2020 - Taylor & Francis
Uncertainties are one principal part of any practical problem. Like any application, image
processing process has different unknown parts as uncertainties which are derived from …

Discrete fractional calculus for interval–valued systems

LL Huang, GC Wu, D Baleanu, HY Wang - Fuzzy Sets and Systems, 2021 - Elsevier
This study investigates linear fractional difference equations with respect to interval–valued
functions. Caputo and Riemann–Liouville differences are defined. w–monotonicity is …

An application of control theory for imperfect production problem with carbon emission investment policy in interval environment

S Das, R Mondal, AA Shaikh, AK Bhunia - Journal of the Franklin Institute, 2022 - Elsevier
The theory of optimal control plays an important role to solve several real-life problems.
However, it is often seen that uncertainty is a major challenge in formulating the appropriate …

Generalized Hukuhara Gâteaux and Fréchet derivatives of interval-valued functions and their application in optimization with interval-valued functions

D Ghosh, RS Chauhan, R Mesiar, AK Debnath - Information Sciences, 2020 - Elsevier
In this article, the notions of gH-directional derivative, gH-Gâteaux derivative and gH-Fréchet
derivative for interval-valued functions are proposed. The existence of gH-Fréchet derivative …

M-fractional derivative under interval uncertainty: Theory, properties and applications

S Salahshour, A Ahmadian, S Abbasbandy… - Chaos, Solitons & …, 2018 - Elsevier
In the recent years some efforts were made to propose simple and well-behaved fractional
derivatives that inherit the classical properties from the first order derivative. In this regards …

Investigation of green production inventory problem with selling price and green level sensitive interval-valued demand via different metaheuristic algorithms

AK Manna, AK Bhunia - Soft Computing, 2022 - Springer
In real-life situation, different characteristics of an imperfect production inventory system, viz.
demand, production, defectiveness and different costs may be imprecise. To represent the …

Fractional differential systems: a fuzzy solution based on operational matrix of shifted Chebyshev polynomials and its applications

A Ahmadian, S Salahshour… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, a new formula of fuzzy Caputo fractional-order derivatives (0<; v≤ 1) in terms
of shifted Chebyshev polynomials is derived. The proposed approach introduces a shifted …

Manifestation of interval uncertainties for fractional differential equations under conformable derivative

M Rahaman, SP Mondal, S Alam, ASM Metwally… - Chaos, Solitons & …, 2022 - Elsevier
We propose a generalization of conformable calculus for Type-2 interval-valued functions.
We investigated the differentiability and integrability properties of such functions. The …

Solving interval-valued fractional initial value problems under Caputo gH-fractional differentiability

N Van Hoa, V Lupulescu, D O'Regan - Fuzzy Sets and Systems, 2017 - Elsevier
In this paper interval-valued fractional differential equations (IFDEs) under Caputo
generalized Hukuhara differentiability are introduced. We present existence and uniqueness …