Open AccessOn Solution and Stability of a Two-Variable Functional Equations
Author(s) -
Y. J. Cho,
Reza Saadati,
Samira Shabanian,
S. M. Vaezpour
Publication year - 2011
Publication title -
discrete dynamics in nature and society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.264
H-Index - 39
eISSN - 1607-887X
pISSN - 1026-0226
DOI - 10.1155/2011/527574
Subject(s) - stability (learning theory) , variable (mathematics) , mathematics , mathematical analysis , computer science , machine learning
The main purpose of this paper is to investigate the stability of the functional equation f(x+y,y+z)=2f(x/2,y/2)+2f(y/2,z/2) in normed spaces. The solutions of such functional equations are considered
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