(红线上穿绿线预警)将指标改为选股公式

编写要求：

解答：

网友求助：

VAR1:=(CLOSE+HIGH+LOW)/3;
VAR2:=EMA(VAR1,10);
VAR3:=REF(VAR2,1);
绿探底震仓:IF(VAR2,10,DRAWNULL),COLORGREEN,LINETHICK9;
红买: IF(VAR2>VAR3,10,DRAWNULL), COLORRED,LINETHICK9;
蓝卖: IF(VAR2<VAR3,10,DRAWNULL),COLORFFFF00,LINETHICK9;
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
上穿买:SMA(RSV,3,1),COLORRED;
下穿卖:SMA(上穿买,3,1),COLORFFFF00;