Ipopt 3.12.10

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SolveProblem.java
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1
9 package org.coinor.examples.scalable;
10
11 import java.util.HashMap;
12 import org.coinor.Ipopt;
13
19 public class SolveProblem
20 {
21 public static void main(String[] args)
22 {
23 HashMap<String, Scalable> list = new HashMap<String, Scalable>();
24
25 // adding all problems here
26 list.put("LukVlE1", new LuksanVlcek1("LukVlE1", 0.0, 0.0));//E means equal
27 list.put("LukVlI1", new LuksanVlcek1("LukVlI1", -1.0, 0.0));//I means inequal
28
29 if( args.length < 2 )
30 {
31 System.out.println("Usage: ProblemName N\n");
32 System.out.println(" - N is a positive parameter determining problem size");
33 System.out.println(" - ProblemName is one of:");
34 // list all problems
35 for( Scalable s : list.values() )
36 System.out.println(" " + s);
37
38 return;
39 }
40
41 String problem = args[0];
42 int n = Integer.parseInt(args[1]);
43
44 System.out.println("Solving problem " + problem + " for N=" + n);
45
46 Scalable p = list.get(problem);
47 if( p == null )
48 {
49 System.out.println("Problem not found!");
50 return;
51 }
52
53 if( !p.initialize(n) )
54 return;
55
56 p.create();
57
58 p.OptimizeNLP();
59
60 switch( p.getStatus() )
61 {
62 case Ipopt.SOLVE_SUCCEEDED:
63 case Ipopt.ACCEPTABLE_LEVEL:
64 System.out.println("Solution found.");
65 break;
66 default:
67 System.out.println("** Could not solve problem " + problem + " for N=" + n + ", status: " + p.getStatus());
68 }
69 }
70 }
org.coinor.examples.scalable.SolveProblem.main
static void main(String[] args)
Definition: SolveProblem.java:21
org.coinor.examples.scalable.LuksanVlcek1
Implementation of Example 5.1 from &quot;Sparse and Parially Separable Test Problems for Unconstrained and...
Definition: LuksanVlcek1.java:17
org.coinor.examples.scalable.Scalable
Abstract class for the scalable problems.
Definition: Scalable.java:23
org.coinor.examples.scalable.SolveProblem
Class for running several different Scalable problems.
Definition: SolveProblem.java:19
org.coinor.Ipopt
A Java Native Interface for the Ipopt optimization solver.
Definition: Ipopt.java:47