编写要求：
周线MACD和KDJ同时金叉选股公式。
www.gszx.com.cn网解答：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2;
XG:CROSS(K#WEEK,D#WEEK) AND CROSS(DIF#WEEK,DEA#WEEK);
