文档介绍：N1:=10;
N2:=10;
DISP:=2;
K:=1;
P1:=PEAK(H,K*N1,1,1);
P2:=PEAK(H,K*N1,2,1);
WP1:=PEAKBARS(H,K*N1,1,1);
WP2:=PEAKBARS(H,K*N1,2,1);
T1:=TROUGH(L,K*N2,1,1);
T2:=TROUGH(L,K*N2,2,1);
WT1:=TROUGHBARS(L,K*N2,1,1);
WT2:=TROUGHBARS(L,K*N2,2,1);
TJ1:=P1>T1 AND P2>T2 ;
ZD:=MAX(T1,T2);
ZG:=MIN(P1,P2);
LL:=MIN(T1,T2);
HH:=MAX(P1,P2);
TJ2:=FILTER(ZG>ZD,2);
TJ3:=ZG=REF(ZG,BARSLAST(TJ2)) OR ZD=REF(ZD,BARSLAST(TJ2));
TJ4:=TJ1&&TJ2&&NOT(TJ3);
TJ5:=BETWEEN(ZD,REF(ZD,REF(BARSLAST(TJ4),1)),REF(ZG,REF(BARSLAST(TJ4),1)));
TJ6:=BETWEEN(ZG,REF(ZD,REF(BARSLAST(TJ4),1)),REF(ZG,REF(BARSLAST(TJ4),1)));
TJ7:=ZG>REF(ZG,REF(BARSLAST(TJ4),1))&&ZD<REF(ZD,REF(BARSLAST(TJ4),1));
TJ8:=TJ4&&NOT(TJ5 OR TJ6 OR TJ7);
ZSD:=IF (TJ8,ZD,NULL);
ZSG:=IF (TJ8,ZG,NULL);
ZSH:=IF (TJ8,HH,NULL);
ZSL:=IF (TJ8,LL,NULL);
STICKLINE(TJ8,ZSH,ZSL,0,-1),COLORMAGENTA;
STICKLINE(TJ8,ZSD,ZSG,3,1),COLORMAGENTA;
DRAWTEXT(DISP=2,ZSH,'中枢'),COLORRED;
局部低点预选A:=BACKSET(LLV(L,5)<REF(LLV(L,4),1),4);
局部低点预选B:=BACKSET(局部低点预选A=0 AND REF(局部低点预选A,1)=1,2);
局部低点预选C:=IF (局部低点预选B=1 AND REF(局部低点预选B,1)=0,-1,0);
局部高点预选A:=BACKSET(HHV(H,5)>REF(HHV(H,4),1),4);
局部高点预选B:=BACKSET(局部高点预选A=0 AND REF(局部高点预选A,1)=1,2);
局部高点预选C:=IF (局部高点预选B=1 AND REF(局部高点预选B,1)=0,1,0);
缺口判断:=IF (L>REF(H,1),1,IF (H<REF(L,1),-1,0));
距前高天:=BARSLAST(局部高点预选C=1);
距前低天:=BARSLAST(局部低点预选C=-1);
小值周期:=LLVBARS(L,20);
大值周期:=HHVBARS(H,20);
低保留AA:=IF