t3# swordfish.function.t3()# Calculate the Triple Exponential Moving Average (t3) for X in a sliding window of the given length. 参数: X (Constant) -- A vector/matrix/table. window (Constant) -- A positive integer indicating the size of the sliding window. vfactor (Constant, optional) -- A floating-point number in [0,1]. The default value is 1.0, by default DFLT.