N:=5;N1:=8;N2:=13;N3:=21;
LC :=REF(CLOSE,1);
RSI1:=SMA(MAX(CLOSE-LC,0),N1,1)/SMA(ABS(CLOSE-LC),N1,1)*100;
{未来函数,慎用}
TY:=RSI1;{通用曲线值的引入}
AA2:=REF(TY,N)=LLV(TY,2*N+1);
BB2:=BACKSET(AA2,N+1);
CC2:=FILTER(BB2,N) AND TY=LLV(TY,N+1);
AA:=REF(TY,N)=HHV(TY,2*N+1);
BB:=BACKSET(AA,N+1);
CC:=FILTER(BB,N) AND TY=HHV(TY,N+1);
GG:=ISLASTBAR AND REF(CC,BARSLAST(CC));
HH:=BACKSET(GG,BARSLAST(CC)+1);
II:=HH>REF(HH,1);
JJ:=REF(BARSLAST(CC),1);
KK:=BACKSET(II,JJ+2);
LL:=KK>REF(KK,1);
CS:=(REF(TY,BARSLAST(II))-REF(TY,BARSLAST(LL)))/(BARSLAST(LL)-BARSLAST(II));
阻力线:=REF(TY,BARSLAST(II))+BARSLAST(II)*CS;
XG:CC2 OR CROSS(TY,阻力线);
有未来函数,信号随时会变,没有什么实用价值。