把股海黑马公式中的“股海大牛”做个公式
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编写要求：

请老师帮我把公式中的“股海大牛”做个选股公式，谢谢！源码：RSV:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;趋势:3*SMA(RSV,8,1)-2*SMA(SMA(RSV,8,1),7,1),COLORYELLOW,LINETHICK2;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); VAR2:=3*SMA((OPEN-LLV(LOW,89))/(HHV(HIGH, 89)-LLV(LOW,89))*100, 20, 1)-2*SMA(SMA((OPEN-LLV(LOW,89))/(HHV(HIGH,89)-LLV(LOW,89))*100, 20, 1), 15, 1);VAR3:=VAR2-100; VAR4:=VAR1-100; 背离: FORCAST(-1*VAR3,21),COLOR9933FF,LINETHICK2; 股海黑马: DRAWTEXT(CROSS(趋势,背离),背离,'股海黑马'),COLORRED;DRAWTEXT(CROSS(趋势,0)AND 背离<100,0.05,'股海大牛');主力持仓:EMA(100*(CLOSE-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34)),3),COLORMAGENTA,LINETHICK2;

解答：

 RSV:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;

趋势:=3*SMA(RSV,8,1)-2*SMA(SMA(RSV,8,1),7,1);
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); 
VAR2:=3*SMA((OPEN-LLV(LOW,89))/(HHV(HIGH, 89)-LLV(LOW,89))*100, 20, 1)-2*SMA(SMA((OPEN-LLV(LOW,89))/(HHV(HIGH,89)-LLV(LOW,89))*100, 20, 1), 15, 1);
VAR3:=VAR2-100; 
背离:=FORCAST(-1*VAR3,21); 
XG:CROSS(趋势,0)AND 背离<100;

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