lingo 运筹学整数规划问题sets:students/s1..s6/:cost;days/d1..d5/;links(students,days):time,a,y;endsetsmin=@sum(links:cost*time);(2*y(i,j))=7);@for(students(i):@sum(days(j):time(i,j))=14);@for(days(j):@sum(students(i):y(i,j))
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lingo 运筹学整数规划问题sets:students/s1..s6/:cost;days/d1..d5/;links(students,days):time,a,y;endsetsmin=@sum(links:cost*time);(2*y(i,j))=7);@for(students(i):@sum(days(j):time(i,j))=14);@for(days(j):@sum(students(i):y(i,j))
lingo 运筹学整数规划问题
sets:
students/s1..s6/:cost;
days/d1..d5/;
links(students,days):time,a,y;
endsets
min=@sum(links:cost*time);
(2*y(i,j))=7);
@for(students(i):@sum(days(j):time(i,j))=14);
@for(days(j):@sum(students(i):y(i,j))
lingo 运筹学整数规划问题sets:students/s1..s6/:cost;days/d1..d5/;links(students,days):time,a,y;endsetsmin=@sum(links:cost*time);(2*y(i,j))=7);@for(students(i):@sum(days(j):time(i,j))=14);@for(days(j):@sum(students(i):y(i,j))
改成这样就没有语法错误了 但是最后没有可行解 应该是你程序与问题不符或者问题本身不对
sets:
students/s1..s6/:cost;
days/d1..d5/;
links(students,days):time,a,y;
endsets
min=@sum(links(i,j):cost(i)*time(i,j));
@for(links(i,j):(2*y(i,j))=7);
@for(students(i):@sum(days(j):time(i,j))=14);
@for(days(j):@sum(students(i):y(i,j))