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FuzzyNumbers: Tools to Deal with Fuzzy Numbers

S4 classes and methods to deal with fuzzy numbers. With them you can compute any arithmetic operations (e.g. by using the Zadeh extension principle), perform approximation of arbitrary FNs by trapezoidal and piecewise linear FNs, prepare plots of FNs for publications, calculate possibility and necessity values for comparisons, etc.

FuzzyNumbers.pdf