The article focuses on three dimensional representations of crisp and fuzzy interpolation lines and surfaces on a poster. The X and Y dimensions will lie in the plane of the poster, while the membership grade of each (X, Y) pair will be represented by a surface constructed of styrofoam projecting away from the poster in the third dimension. Cubic Spline, Sugeno, and Defuzzified Mamdani interpolation lines will be indicated on the fuzzy surface by colored yarn. An animated version of the graph is available on the World Wide Web.
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