Recursive stochastic forecaster k steps ahead of AR(p=>2) time series given initial value computation of stepwise dynamic multiplier is included. Ref: J.D.Hamilton, Time Series Analysis, Wiley, 1994.

-Recursive stochastic forecaster k steps ahead of AR(p=>2) time series given initial value　computation of stepwise dynamic multiplier is included. Ref: J.D.Hamilton, Time Series Analysis, Wiley, 1994.