天龙出击选股

编写要求：

指标在导入后，做副图箭头显示残缺不全，烦请老师给优化一下。谢谢 DIF1:=EMA(DCLOSE,12)-EMA(DCLOSE,26);DEA1:=EMA(DIF1,9);{柱状线}AAA1:=(DIF1-DEA1)*2*60;AAA上:=IF(AAA1>REF(AAA1,1),AAA1,DRAWNULL);AAA下:=IF(AAA10;

解答：

DIF1:=EMA(DCLOSE,12)-EMA(DCLOSE,26);