The SAS interval functions INTNX and INTCK perform calculations with date, datetime values, and time intervals. They can be used for calendar calculations with SAS date values, to count time intervals ...
Research in inequalities and integrals within the realm of fuzzy and interval-valued functions has advanced our understanding of uncertainty quantification and non-linear analysis. This field ...
Proceedings of the American Mathematical Society, Vol. 36, No. 2 (Dec., 1972), pp. 485-490 (6 pages) This paper is concerned with differentiation of interval functions appearing in interval analysis.
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