九散人KDJ选股公式

编写要求：

九散人老师的KDJ指标，在此先谢谢九散人老师！原码如下：{九散人KDJ}RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))*100;{第一排的N可以随自己习惯设置15 21 55 都可以}K:SMA(RSV,3,1),COLORWHITE;D:SMA(K,3,1),COLORYELLOW;J:3*K-2*D,COLORYELLOW,LINETHICK2;金叉:=IF(SUM(CROSS(K,D)AND D<23,15)>=2 AND CROSS(K,D)AND C>O,10,0);加仓:IF(J>D,J,DRAWNULL),COLORRED,LINETHICK2;减仓:IF(J100 AND K>=60),100,J,1,1),COLORYELLOW,LINETHICK2;STICKLINE(K>92,100,K,1,1),COLORGREEN,LINETHICK2;STICKLINE((J<=0 AND K<=30),0,J,1,1),COLORYELLOW,LINETHICK2;STICKLINE(K<=9,0,K,1,1),COLORRED,LINETHICK2;A11:=BARSLAST(REF(CROSS(J,K),1));底背:=REF(CLOSE,A11+1)>CLOSE AND J>REF(J,A11+1) AND CROSS(J,K);底:DRAWLINE(A11=0,D,底背,D,0),COLORRED,POINTDOT;DRAWTEXT(底背,D,'底背离'),COLORRED;A22:=BARSLAST(REF(CROSS(K,J),1));顶背:=REF(CLOSE,A22+1)J AND CROSS(K,J);顶:DRAWLINE(A22=0,D,顶背,D,0),COLORBLUE,POINTDOT;DRAWTEXT(顶背,D,'顶背离'),COLORYELLOW;压力线9:DRAWLINE(D>=HHV(D,21),D,D<=LLV(D,21),D,0),COLORRED,LINETHICK3;如图：想写图中方框内部分的选股，有红色压力线的不选，请教老师这个如何写。

解答：

N:=21;