請問SAR指標的計算公式

IF(CLOSE>SAR(N,STEP,MAXP),SAR(N,STEP,MAXP),CLOSE),CIRCLEDOT,COLORMAGENTA;

IF(CLOSE <SAR(N,STEP,MAXP),SAR(N,STEP,MAXP),CLOSE),CIRCLEDOT,COLORgreen;

STICKLINE(CLOSE>OPEN,OPEN,CLOSE,3,1),COLORRED;

STICKLINE(CLOSE>OPEN,LOW,OPEN,0.5,1),COLORRED;

STICKLINE(CLOSE>OPEN,CLOSE,HIGH,0.5,1),COLORRED;

STICKLINE(CLOSE<=OPEN,CLOSE,OPEN,3,0),COLORCYAN;

STICKLINE(CLOSE<=OPEN,LOW,HIGH ,0.5,0),COLORCYAN;