主题：[求助]如何把文华的模型改为金字塔可程序化交易的模型呢

INPUT :N1(5,1,100,1);
INPUT :N2(10,1,100,1);
INPUT :N3(20,1,100,1);
INPUT :N4(60,1,100,1);

BBI1:(MA(CLOSE,N1)+MA(CLOSE,N2)+MA(CLOSE,N3)+MA(CLOSE,N4))/4;
MA54:MA(C,54);

if C>MA54 and CROSS(BBI1,C) then begin
 sell(holding>0,0,thisclose);
 buyshort(1,1,thisclose);
end