isequal
isequal(A1,A2,...,An) returns 1 (true) if matrices A1,A2,...,An are equal and 0 (false) otherwise. NaN values considered non equal to any other element (including themselves).
Examples
> isequal(1,1) [ans:true]
> isequal(1,1,2) [ans:false]
> isequal(NaN,NaN) [ans:false]