matlab 2014a
是这个函数在新版已经被取消了么？如果取消了，那下面这段代码应该怎么实现啊？

错误提示：
错误使用 garchset (line 180)
GARCHSET has been removed. Use ARIMA, GARCH, EGARCH, and GJR models instead.

出错 code (line 45)
        spec = garchset('R',i,'M',j,'P',1,'Q',1,'Display','off');