Exemple #1
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        public void AddOverflowEdgeTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(4);

            chains.AddEdge(0, 4, 0.2);
            chains.AddEdge(5, 6, 0.7);
            chains.AddEdge(7, 9, 0.1);

            Assert.That(0.2, Is.EqualTo(chains[0, 4]));
            Assert.That(0.1, Is.EqualTo(chains[7, 9]));
        }
Exemple #2
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        public void GetOutgoingVerticesTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(4);

            chains.AddEdge(0, 4, 0.2);
            chains.AddEdge(5, 6, 0.7);
            chains.AddEdge(0, 5, 0.2);

            Assert.That(chains.GetOutgoingVertices(0), Is.EquivalentTo(new List <int> {
                4, 5
            }));
        }
Exemple #3
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        public void GetRateTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(4);

            chains.AddEdge(0, 4, 0.2);
            chains.AddEdge(5, 6, 0.7);
            chains.AddEdge(7, 9, 0.1);

            Assert.That(0.2, Is.EqualTo(chains.GetRate(0, 4)));
            Assert.That(0.1, Is.EqualTo(chains.GetRate(7, 9)));
            Assert.That(0, Is.EqualTo(chains.GetRate(10, 11)));
        }
Exemple #4
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        public void GetAllVerticesTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(4);

            chains.AddEdge(0, 4, 0.2);
            chains.AddEdge(5, 6, 0.7);
            chains.AddEdge(7, 9, 0.1);

            CollectionAssert.AreEquivalent(new List <int> {
                0, 4, 5, 6, 7, 9
            }, chains.GetAllVertices());
        }
Exemple #5
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        public void GetAllEdgesTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(7);

            chains.AddEdge(0, 1, 0.2);
            chains.AddEdge(0, 2, 0.7);
            chains.AddEdge(3, 2, 0.2);
            chains.AddEdge(4, 5, 0.2);

            CollectionAssert.AreEquivalent(new List <Tuple <int, double, int> > {
                new Tuple <int, double, int>(0, 0.2, 1), new Tuple <int, double, int>(0, 0.7, 2), new Tuple <int, double, int>(3, 0.2, 2), new Tuple <int, double, int>(4, 0.2, 5)
            }, chains.GetAllEdges());
        }
Exemple #6
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        public void AddEdgeTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(4);

            chains.AddEdge(0, 3, 0.2);
            chains[7, 10] = 0.7;

            Assert.That(0.2, Is.EqualTo(chains[0, 3]));
            Assert.That(0.7, Is.EqualTo(chains[7, 10]));
        }
Exemple #7
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        public void GetComponentsTest()
        {
            MarkovChain <int> chains = new MarkovChain <int>(7);

            chains.AddEdge(0, 1, 0.2);
            chains.AddEdge(0, 2, 0.7);
            chains.AddEdge(3, 2, 0.2);
            chains.AddEdge(4, 5, 0.2);


            CollectionAssert.AreEquivalent(new List <List <int> > {
                new List <int> {
                    0, 1, 2, 3
                }, new List <int> {
                    4, 5
                }, new List <int> {
                    6
                }
            }, chains.GetComponents(new List <int> {
                0, 1, 2, 3, 4, 5, 6
            }).Select(c => c.OrderBy(v => v).ToList()).ToList());
        }
Exemple #8
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        public void ComputeProbability()
        {
            double samplingRate   = 0.5d;
            double timeSpan       = 40.0d;
            double errorTolerance = 1e-16;

            MarkovChain <int> chains = new MarkovChain <int>(6);

            chains.InitialDistribution[1] = 0.9;
            chains.InitialDistribution[2] = 0.1;
            chains.InitialDistribution[3] = 0;
            chains.InitialDistribution[4] = 1;
            chains.InitialDistribution[5] = chains.InitialDistribution[6] = 0;

            chains.AddEdge(1, 2, 0.2d);
            chains.AddEdge(2, 1, 0.1d);

            chains[2, 3] = 0.1d;
            chains[3, 2] = 0.05d;
            chains[4, 5] = 0.1d;
            chains[5, 6] = 0.05d;

            var result = chains.ComputeProbability(samplingRate, timeSpan, errorTolerance);
        }