tnx.but which value? i think the problem is with the y(-1), because we did not have y so how we can use y(-1)You need to set a value for Y in 1950.
dont what should i do?!
tnx.but which value? i think the problem is with the y(-1), because we did not have y so how we can use y(-1)You need to set a value for Y in 1950.