优化的RSI公式

LC:=REF(CLOSE,1);
 RSI3:SMA(MAX(CLOSE-LC,0),34,1)/SMA(ABS(CLOSE-LC),34,1)*100,COLORMAGENTA,LINETHICK2;
 FILLRGN(RSI3,50,RSI3>50,RGB(255,96,30),RSI3<50,RGB(30,96,30));
 RSI1:SMA(MAX(CLOSE-LC,0),5,1)/SMA(ABS(CLOSE-LC),5,1)*100,COLORWHITE,LINETHICK2;
 RSI2:SMA(MAX(CLOSE-LC,0),13,1)/SMA(ABS(CLOSE-LC),13,1)*100,COLORYELLOW,LINETHICK2;
 50;
上限: HHV(RSI1,20),COLORRED,LINETHICK2;
下限: LLV(RSI1,20),COLORBLUE,LINETHICK2;
 PARTLINE(RSI2,RSI2<RSI3 OR RSI2<REF(RSI2,1)),COLORGREEN,LINETHICK2;