子龙 王
- 合計アクティビティ 14
- 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 1
- サブスクリプション 4
アクティビティの概要
子龙 王さんの最近のアクティビティ-
子龙 王さんが投稿を作成しました:
How to sum variables that are not dimensionally incomplete
回答済みx (i,j,k) :{(1, 1, 1) : < gurobi. Var x >,1,1 (1), (1, 1, 2) : < gurobi. Var x (1,1,2) >,(1, 2, 1) : < gurobi. Var x > (1, 2, 1), (1, 2, 2) : < gurobi. Var x >,2,2 (1), (1, 2, 3) : < gurobi. Var (1...
-
子龙 王さんが投稿を作成しました:
unsupported operand type(s) for >>: 'bool' and 'TempConstr'
回答済みmodel.addConstrs((dx[k+1] == 1) >> (x[i,j,k+1] >= 1) for k in range(4)) dx is defined as: dx = model.addVars(9, vtype = GRB.BINARY, name="dx")X (j, I, k) is defined as: x (j, I, k) = model. AddVar ...
-
子龙 王さんがコメントを作成しました:
I have looked at the relevant website and understood the application of the if constraint in gurobi, but I still don't know how to write my own questions I wonder if it is convenient to provide spe...
-
子龙 王さんが投稿を作成しました:
Add a new constraint to the model
回答済みThe complete executable code is as follows: from gurobipy import Model, GRB, quicksumimport sysimport numpy as npimport timeimport os from DataRead import getdata from itertools import chain def MP...
-
子龙 王さんがコメントを作成しました:
The complete executable code is as follows: from gurobipy import Model, GRB, quicksumimport sysimport numpy as npimport timeimport os from DataRead import getdata from itertools import chain def MP...
-
子龙 王さんがコメントを作成しました:
I also tried the following:# constraint(4)# for i in J:# for j in OJ[i]:# if j ! = OJ[i][0]: # p = None# current_machine = None# model.update()# ...
-
子龙 王さんがコメントを作成しました:
I don't know if adding the corresponding code in constraint 4 is the right thing to do, and I appreciate someone giving me some guidance
-
子龙 王さんがコメントを作成しました:
The last line of code is wrong. My new code should read: D[previous_machine][operations_machines],Instead of D(previous_machine,operations_machines),But it also fails in the following parts: for k ...
-
子龙 王さんが投稿を作成しました:
Add a new constraint to the model
オープンfrom gurobipy import Model, GRB, quicksumimport sysdef MIPModel(Data): n = Data['n'] m = Data['m'] J = Data['J'] OJ = Data['OJ'] oj=OJ operations_machines = Data['operations_machi...