牛市短线选股指标 (源码)

input:N(30),N1(8),N2(3),N3(10);
PW:=((VOL * (CLOSE - OPEN)) / (CLOSE + OPEN));
PW1:=EMA(((VOL * (CLOSE - OPEN)) / (CLOSE + OPEN)),n);
ME:=EMA(PW1,n1);
ME1:=MA(ME,n2);
ME2:=MA(ME,n3);
选股:CROSS(ME,ME1);