logicalguy 0 Newbie Poster

Hi,
I'm just beginning to take baby steps in fis and have been working through the matlab fuzzy toolbox tutorial. I have a question about creating input variables that have no upper bound. For example, if I want to classify a rock as small [0, 15]cm, medium [5, 25]cm, big [>20]cm how do I do it? Thanks.

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