{角度大于45选股}
X1:= (CLOSE+LOW+HIGH)/3;
BB:= ATAN(EMA(X1,13)-REF(EMA(X1,13),1))*3.1416*10;
vv:=FILTER(BB>1 AND EMA(X1,13)>REF(EMA(X1,8),1),10);
xg1∠45:if(vv,1,0);

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