lingo 报错 model is ill definedmodel:sets: warehouses/wh1..wh3/: capacity; vendors/v1..v8/: demand; links(warehouses,vendors): cost,volume,x;endsets min=@sum(links: cost*volume)-@sum(links|x #eq# 1:0.5*cost*volume); @for(links: @bin(x)); @s
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 23:06:13
![lingo 报错 model is ill definedmodel:sets: warehouses/wh1..wh3/: capacity; vendors/v1..v8/: demand; links(warehouses,vendors): cost,volume,x;endsets min=@sum(links: cost*volume)-@sum(links|x #eq# 1:0.5*cost*volume); @for(links: @bin(x)); @s](/uploads/image/z/10391999-23-9.jpg?t=lingo+%E6%8A%A5%E9%94%99+model+is+ill+definedmodel%3Asets%3A++warehouses%2Fwh1..wh3%2F%3A+capacity%3B++vendors%2Fv1..v8%2F%3A+demand%3B++links%28warehouses%2Cvendors%29%3A+cost%2Cvolume%2Cx%3Bendsets++min%3D%40sum%28links%3A+cost%2Avolume%29-%40sum%28links%7Cx+%23eq%23+1%3A0.5%2Acost%2Avolume%29%3B++++%40for%28links%3A+%40bin%28x%29%29%3B++%40s)
lingo 报错 model is ill definedmodel:sets: warehouses/wh1..wh3/: capacity; vendors/v1..v8/: demand; links(warehouses,vendors): cost,volume,x;endsets min=@sum(links: cost*volume)-@sum(links|x #eq# 1:0.5*cost*volume); @for(links: @bin(x)); @s
lingo 报错 model is ill defined
model:
sets:
warehouses/wh1..wh3/: capacity;
vendors/v1..v8/: demand;
links(warehouses,vendors): cost,volume,x;
endsets
min=@sum(links: cost*volume)-@sum(links|x #eq# 1:0.5*cost*volume);
@for(links: @bin(x));
@sum(links|x #eq# 1: volume)
lingo 报错 model is ill definedmodel:sets: warehouses/wh1..wh3/: capacity; vendors/v1..v8/: demand; links(warehouses,vendors): cost,volume,x;endsets min=@sum(links: cost*volume)-@sum(links|x #eq# 1:0.5*cost*volume); @for(links: @bin(x)); @s
模型有错,lingo无法求解