Lingo里出现Model is ill defined
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Lingo里出现Model is ill defined
!就是有A到J个任务,所需要的时间放在Time中,总共有4个相同机器,choose中放置所选机器编号(1~4),问如何放置,总时间最短;
MODEL:
SETS:
TASK/ A B C D E F G H I J K/: Time,choose;
ENDSETS
DATA:
Time = 45 11 9 50 15 12 12 12 12 8 9;
ENDDATA
min=total;
@for(task(i)|i#le#4:@sum(task(j)|choose(j)#eq#i:Time)
!就是有A到J个任务,所需要的时间放在Time中,总共有4个相同机器,choose中放置所选机器编号(1~4),问如何放置,总时间最短;
MODEL:
SETS:
TASK/ A B C D E F G H I J K/: Time,choose;
ENDSETS
DATA:
Time = 45 11 9 50 15 12 12 12 12 8 9;
ENDDATA
min=total;
@for(task(i)|i#le#4:@sum(task(j)|choose(j)#eq#i:Time)
sets:
A/A B C D E F G H I J K/:Time;
B/1..4/;
links(B,A):x;
endsets
data:
Time = 45 11 9 50 15 12 12 12 12 8 9;
@text()=' x';
@text()=@table(x);
enddata
min=total;
@for(links:@bin(x));
@for(A(j):@sum(B(i):x(i,j))=1);
@for(B(i):@sum(A(j):x(i,j)*time(j))
A/A B C D E F G H I J K/:Time;
B/1..4/;
links(B,A):x;
endsets
data:
Time = 45 11 9 50 15 12 12 12 12 8 9;
@text()=' x';
@text()=@table(x);
enddata
min=total;
@for(links:@bin(x));
@for(A(j):@sum(B(i):x(i,j))=1);
@for(B(i):@sum(A(j):x(i,j)*time(j))
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