Question

int n = 3;

{int} s = asSet(0..n);

int maxTG = 15;


tuple Node {
  int xPoint;
  int yPoint;
    }

{Node} Nodes=...;

tuple Demand {
  key string index;
  Node StartNode;
  Node FinalNode;
}



{Demand} Demands= ...;


int t[Nodes][Nodes] = ...;

int CI = 100;
int CO = 10;
int B=5;
int K=3;

dvar boolean x[Demands];
dvar boolean xs[Demands][Nodes];
dvar boolean xf[Demands][Nodes]; // Final Location of Demand
dvar boolean y[Nodes]; //Facility Location
dvar boolean xsd[Demands][Nodes][Nodes];
dvar boolean xfd[Demands][Nodes][Nodes];
dvar boolean x3[Demands][Nodes][Nodes];

//objective function

maximize sum(d in Demands) x[d];

// subject to

subject to {
  forall ( d in Demands ) {
    sum(i in Nodes) xs[d][i] <= 1 ;
    sum(i in Nodes) xf[d][i] <= 1 ; } //2

  forall (d in Demands, i in Nodes) {
    xs[d][i] <= y[i] ;
    xf[d][i] <= y[i];} //4

  forall (d in Demands, i in Nodes) {
    xs[d][i] * t[i][d.StartNode] <= maxTG; //5
    xf[d][i] * t[i][d.FinalNode]  <= maxTG; }  //6

  forall (d in Demands, i,j in Nodes : i!=j ) {
    xs[d][i] * t[i][d.StartNode] <= t[j][d.StartNode] * y[j]; //7
    xf[d][i] * t[i][d.FinalNode] <= t[j][d.FinalNode] * y[j]; //8
  }  

  forall (d in Demands) {
    x[d] <= sum(i in Nodes) xs[d][i];//9
    x[d] <= sum(i in Nodes) xf[d][i]; //10 
    sum(i in Nodes) xs[d][i] + sum(i in Nodes ) xf[d][i] - 1 <= x[d]; } //11



 CI * sum ( i in Nodes) y[i] + CO * sum ( i in Nodes, d in Demands ) ( xs[d][i] + xf[d][i] ) <= B;

  forall (i in Nodes)
    sum (d in Demands) (xs[d][i] + xf[d][i]) <= K  ;


  forall (d in Demands, i,j in Nodes) {
    x3[d][i][j]<=xs[d][i]; //16
    x3[d][i][j]<=xf[d][i]; //17 
xs[d][i] + xf[d][i] - 1 <= x3[d][i][j]; } //18

  forall (d in Demands, i,j in Nodes : i!=j) {
    xsd[d][i][j] <= xs[d][i]; // 19 
    xsd[d][i][j] <= y[j];  // 20
    xs[d][i] + y[j] -1 <= xsd[d][i][j]; //21
    xfd[d][i][j] <= xf[d][i];
    xfd[d][i][j] <= y[j];
    xf[d][i] + y[j] -1 <= xfd[d][i][j]; }

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我跑完后＃39这与dat文件，这个错误出现，但我无法弄清楚为什么会出现这个错误。有没有人知道这个错误？并导致此代码是我在CPLEX中的第一个代码SO plz给我任何关于此代码的建议。谢谢 PLZ PLZ帮帮我PLZ PLZ任何人帮我PLZ PLZ（该网站希望我添加更多细节......）

Answer 1

我会添加＆＃34;}＆＃34;在.mod的末尾您尚未关闭要阻止的主题问候

CPLEX

1 个答案: