ampl 根据条件显示变量

Question

假设我们有以下放大模型：

set objects;
set sacks;
...
var Take{objects, sacks} binary;
...
display Take;

解决优化问题后，我只想显示 Take that equal 1 的行

Answer 1

你可以这样做：

for{o in objects, s in sacks: Take[o,s] = 1} {
    printf "\n %s %s", o,s; 
}