In this work, we determine the general solution of the quinquevigintic functional equation and also investigate its stability of this equation in the setting of matrix normed spaces and the framework of matrix non-Archimedean fuzzy normed spaces by using the fixed point method.

• 39B52 - Functional equations for functions with more general domains and/or ranges
• 46S40 - Fuzzy functional analysis
• 46S50 - Functional analysis in probabilistic metric linear spaces
• 47H10 - Fixed-point theorems
• 54C30 - Real-valued functions in general topology
• 54E70 - Probabilistic metric spaces