lingo编程出问题了model: sets: month/7..12/:x,y,w,c,d; endsetsmax=@sum(month(i):c(i)*y(i)-d(i)*x(i)-0.5*w(i));@for(month(i):w(i)=300;也有问题,错误代号70

lingo编程出问题了model: sets: month/7..12/:x,y,w,c,d; endsetsmax=@sum(month(i):c(i)*y(i)-d(i)*x(i)-0.5*w(i));@for(month(i):w(i)=300;也有问题,错误代号70
lingo编程出问题了
model:
sets:
month/7..12/:x,y,w,c,d;
endsets
max=@sum(month(i):c(i)*y(i)-d(i)*x(i)-0.5*w(i));
@for(month(i):w(i)=300;
也有问题,错误代号70

lingo编程出问题了model: sets: month/7..12/:x,y,w,c,d; endsetsmax=@sum(month(i):c(i)*y(i)-d(i)*x(i)-0.5*w(i));@for(month(i):w(i)=300;也有问题,错误代号70
下标要从1开始 要不就用月份的英文缩写表示JUL..DEC
model:
sets:
month/1..6/:x,y,w,c,d;
endsets
max=@sum(month(i):c(i)*y(i)-d(i)*x(i)-0.5*w(i));
@for(month(i):w(i)