smoothingXY


    smoothingXY patcher is Simple Moving Average.
    Left inlet = X or list(X, Y)
    Right inlet = Y
    Augment = n
    X' = (X1 + X2 + X3 ... Xn) / n
    Y' = (Y1 + Y2 + Y3 ... Yn) / n
    Outlet = list(X', Y')