![](/img/trans.png)
[英]Microsoft Solver Foundation UnsolvableModelException
[英]Microsoft Solver Foundation SAT CNF
我正在嘗試使用Microsoft Solver Foundation SatSolver通過Visual Studio(C#或VB)解決一個簡單的CNF問題。 任何人都可以發布一個簡單的示例來說明如何完成此操作嗎?
這是一個簡短的示例:
ConstraintSystem s1 = ConstraintSystem.CreateSolver();
CspTerm t1 = s1.CreateBoolean("v1");
CspTerm t2 = s1.CreateBoolean("v2");
CspTerm t3 = s1.CreateBoolean("v3");
CspTerm t4 = s1.CreateBoolean("v4");
CspTerm tOr12 = s1.Or(s1.Neg(t1), s1.Neg(t2));
CspTerm tOr13 = s1.Or(s1.Neg(t1), s1.Neg(t3));
CspTerm tOr14 = s1.Or(s1.Neg(t1), s1.Neg(t4));
CspTerm tOr23 = s1.Or(s1.Neg(t2), s1.Neg(t3));
CspTerm tOr24 = s1.Or(s1.Neg(t2), s1.Neg(t4));
CspTerm tOr34 = s1.Or(s1.Neg(t3), s1.Neg(t4));
CspTerm tOr = s1.Or(t1, t2, t3, t4);
s1.AddConstraints(tOr12);
s1.AddConstraints(tOr13);
s1.AddConstraints(tOr14);
s1.AddConstraints(tOr23);
s1.AddConstraints(tOr24);
s1.AddConstraints(tOr34);
s1.AddConstraints(tOr);
ConstraintSolverSolution solution1 = s1.Solve();
Console.WriteLine(solution1[t1]);
Console.WriteLine(solution1[t2]);
Console.WriteLine(solution1[t3]);
Console.WriteLine(solution1[t4]);
結果應該只有一個值為1的變量,其余的應該為0,但求解的值為1,1,1,0。
謝了,兄弟們
您應該使用s1.Not(t1)
而不是s1.Neg(t1)
。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.