Search found 5 matches
- 1 month ago
- Forum: Syntax
- Topic: The problem of equations
- Replies: 1
- Views: 593
The problem of equations
assign_employee(j, t).. sum(i, x(i, j, t)) =e= 1; How do I get Vacation, noassignment not to be bound as well =1 Set i 'employees' / zhu, tsai, xu, lu, chen, wang / j 'workstation' / zone1, zone2, zone3, zone4, vacation, noassignment / t 'days'/1*10/ work_zone / zone1, zone2, zone3, zone4/; $onImpl...
- 11 months ago
- Forum: Modeling
- Topic: Shortest Path Issue
- Replies: 1
- Views: 2213
Shortest Path Issue
I want to find the shortest path from point A to point G No repetition, no turning back image.png A B C D E F G A 8 6 B 5 10 C 6 9 D 10 E 7 F 11 G or A.B 8 A.C 6 B.D 5 B.E 10 C.D 6 C.F 9 D.G 10 E.G 7 F.G 11 I don't know how to write variables and equations. Can anyone provide me with a sample?
- 1 year ago
- Forum: Modeling
- Topic: HELP!Questions about linear planning
- Replies: 3
- Views: 1620
Re: HELP!Questions about linear planning
Thank you very much to the people who helped me. The problem has largely been solved. But there are still some small problems to be improved. equations obj 'Cost summary' Nutrition1(j) 'Identify foods from the matrix that meet the nutritional requirements' Nutrition2 'Upper limit of saturated fat' W...
- 1 year ago
- Forum: Modeling
- Topic: HELP!Questions about linear planning
- Replies: 3
- Views: 1620
Re: HELP!Questions about linear planning
I added some notes and changed some practices
Using mip, I still can't get the results I expect
Using mip, I still can't get the results I expect
- 1 year ago
- Forum: Modeling
- Topic: HELP!Questions about linear planning
- Replies: 3
- Views: 1620
HELP!Questions about linear planning
HELP! I have two questions. This is a question about daily nutrient. 1.When you can only choose to eat one item a day, what do you need to eat to satisfy your nutrition? 2.When you have to eat three different foods every day, how do you choose to meet your nutritional needs? *Saturated fat no more t...