1993-11-01
1995-07-11
MacDonald, Allen R.
395 10, 395 3, 395900, 395140, G06F 1500
Patent
active
054328888
ABSTRACT:
The definition of membership functions which define a fuzzy set is easily and visually performed by using a pointing device. When a membership function shape model on a function graph display device is pointed to by the pointing device, a parameter value is computed from the pointed-to position, and this value is set in a parameter value memory area in a membership function memory area. The membership functions are defined by performing this operation repeatedly.
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Echigo Koji
Hirai Takashi
Iwamura Osamu
Kometani Naohisa
Hitachi , Ltd.
Hitachi Software Engineering Co. Ltd.
MacDonald Allen R.
Rafiq-Hafiz Tariq
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