In this paper, we defined the matrix intuitionistic fuzzy normed spaces, and proved the Ulam stability of functional equation deriving from quartic and cubic functionsf (2x + y) + f (2x - y) =3f (x + y) + f (- x - y) +3f (x - y) + f (y - x) +18f (x) +6f (- x) -3f (y) -3f (- y) by fixed point alternative method.
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