Flag = iscompatible(M1,M2)
M1, M2 [ model ] - Two model objects that will be tested for compatibility.Flag [ true | false ] - True if M1 and M1 can occur in an assignment, M1(...) = M2(...) or horziontal concatenation, [M1,M2].The function compares the names of all variables, shocks, and parameters, and the composition of the state-space vectors.