把股海黑马公式中的“股海大牛”做个公式

VAR1:=3*SMA((CLOSE-LLV(LOW,89))/(HHV(HIGH, 89)-LLV(LOW,89))*100, 20, 1)-2*SMA(SMA((CLOSE-LLV(LOW,89))/(HHV(HIGH,89)-LLV(LOW,89))*100, 20, 1), 15, 1);