Open AccessFuzzy Stability of a General Quadratic Functional Equation
Author(s) -
Sun Sook Jin,
Yang-Hi Lee
Publication year - 2011
Publication title -
advances in fuzzy systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.38
H-Index - 19
eISSN - 1687-711X
pISSN - 1687-7101
DOI - 10.1155/2011/791695
Subject(s) - stability (learning theory) , fuzzy logic , quadratic equation , functional equation , mathematics , mathematical analysis , computer science , partial differential equation , artificial intelligence , geometry , machine learning
We investigate a fuzzy version of stability for the functional equation f (x + y + z) + f (x - y) + f (x - z) - f (x - y - z) - f (x + y) - f (x + z) = 0 in the sense of M. Mirmostafaee and M. S. Moslehian.
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