fuzzy stability of a general quadratic functional equation
;Sun Sook Jin;Yang-Hi Lee
jurnal teknologi dan sistem komputer2011Vol. 2011pp. -
119
jin2011advancesfuzzy
Abstract
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.