Fuzzy Sets and Systems
Fuzzy sets and fuzzy logic: theory and applications
Fuzzy sets and fuzzy logic: theory and applications
The improper fuzzy Riemann integral and its numerical integration
Information Sciences—Informatics and Computer Science: An International Journal
The fuzzy Riemann integral and its numerical integration
Fuzzy Sets and Systems
On henstock integral of fuzzy-number-valued functions (I)
Fuzzy Sets and Systems
Solutions to fuzzy integral equations with arbitrary kernels
International Journal of Approximate Reasoning
Information Sciences: an International Journal
The Henstock-Stieltjes integral for fuzzy-number-valued functions
Information Sciences: an International Journal
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In this paper, the concept of the fuzzy Henstock integral on infinite interval is proposed in order to calculate the expectation of fuzzy random variables. Two calculating methods are proposed: one is to calculate directly by the fuzzy Henstock integral proposed in this paper, including quadrature rules and the error estimates such as the midpoint-type rule, trapezoidal-type rule, Simpson's formula, @d-fine quadrature rules and their error estimates; another is to calculate by using the equivalent characteristic of fuzzy Henstock integrability, whose membership function could be obtained by solving a nonlinear programming problem.