Sander Mertens
- 合計アクティビティ 17
- 前回のアクティビティ
- メンバー登録日
- フォロー 0ユーザー
- フォロワー 0ユーザー
- 投票 0
- サブスクリプション 5
アクティビティの概要
Sander Mertensさんの最近のアクティビティ-
Sander Mertensさんがコメントを作成しました:
Thank you, works perfect!
-
Sander Mertensさんが投稿を作成しました:
Retrieve a specific subset value of variables
回答済みHello, Is there a way to retrieve the value of a subset from a specific variable within Gurobi?For instance, allot of X variables are created in the form of X[a,b,c,t]. After optimization, I want t...
-
Sander Mertensさんが投稿を作成しました:
IP model takes too long to solve
回答済みI have a pure integer problem which takes very long to solve (I don't know the exact time, but after times over 12 hours there was still no solution).The model has a size of:143,442 rows, 161,547 c...
-
Sander Mertensさんがコメントを作成しました:
Thank you for your clear answer, despite the mistakes in my post. The constraint finally seems to work!
-
Sander Mertensさんがコメントを作成しました:
My apologies, you're right. The additional condition for t can be dropped so that it the constraint must only hold for all j (except 12) and t:
-
Sander Mertensさんがコメントを作成しました:
First an multidict is created: proc_combo, costs = {(0, 0, 0): 5, (0, 1, 1): 10, (1, 1, 1): 15, (0, 2, 2): 20, (1, 2, 2): 25, (0, 3, 3): 30, (0, 4, 4): 35, (0, 5, 5): 40, (0, 6, 6): 45, (1, 6, 6): ...
-
Sander Mertensさんが投稿を作成しました:
Unable to model constraint
回答済みI've tried everything to add a constraint to my model, but I just can't seem to get it to work. The constraint I'm trying to add is: In my model, t is defined as a list of time points where the las...
-
Sander Mertensさんがコメントを作成しました:
If you don't mind, I have a additional question. As can be seen before, the X variables have four subsets. In my objective function I want to sum all the X variables together, with an exclusion of ...
-
Sander Mertensさんがコメントを作成しました:
Thank you!
-
Sander Mertensさんが投稿を作成しました:
Dependent variables
回答済みHi, I was wondering how dependent variables should be handled within Gurobi. For instance, the decision variable in the model is X_{t}. Another variable, S_{t} is dependent on the value of the deci...