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按.401后，可算出J60SX ,却计算不出J120SX？大于90 的均线 .401都计算不出来
请指导一下原因
{MA1均线定义}
MA3:=WMA(WMA((H+L+C)/3,3),1) ;
MA5:=WMA(WMA((H+L+C)/3,3),2) ;
MA10:=WMA(WMA(C,10),3);
MA20:=WMA(WMA(C,20),3);
MA30:=WMA(WMA(C,30),3);
MA60:=WMA(WMA(CLOSE,50),3);
MA90:=WMA(WMA(CLOSE,90),3);
MA120:=WMA(WMA(CLOSE,120),3);
MA250:=WMA(WMA(CLOSE,250),3);
JD60:=WMA(ATAN((MA60/REF(MA60,2)-1)*100)*180/3.1416,1);
JD120:=WMA(ATAN((MA120/REF(MA120,2)-1)*100)*180/3.1416,1);
JD60S: JD60 >REF(JD60,1 ) AND JD60 >0;
JD120S: JD120 >REF(JD120,1 ) AND JD120 >0;
来源:C X H 9 9 .C O M ）
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