Multivariate integration of functions depending explicitly on the minimum and the maximum of the variables
Abstract
By using some basic calculus of multiple integration, we provide an alternative expression of the integral ∫]a,b[n f(x, xi, xi) dx, in which the minimum and the maximum are replaced with two single variables. We demonstrate the usefulness of that expression in the computation of orness and andness average values of certain aggregation functions. By generalizing our result to Riemann-Stieltjes integrals, we also provide a method for the calculation of certain expected values and distribution functions.
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