做个红箭头出现的选股公式

编写要求：

RSV:=(CLOSE-LLV(LOW,6))/(HHV(HIGH,6)-LLV(LOW,9))*3; K:=SMA(RSV,3,1); D:=SMA(K,3,1); J:=3*K-2*D; N:=7; A2:=DRAWLINE(J<=LLV(J,N),J,J>=HHV(J,N),J,0); A3:=J=A2; A5:=J

解答：

?RSV:=(CLOSE-LLV(LOW,6))/(HHV(HIGH,6)-LLV(LOW,9))*3;

K:=SMA(RSV,3,1);