public void VertexCreate_Instantiates()
{
// Arrange
var parameters = new[] {1.0, 1.0, 1.0, 1.0};
// Act
var vertex = new Vertex(parameters);
// Assert
Assert.IsTrue(vertex.Parameters == parameters);
}
public void Create(IVertex vertex)
{
Vertices.Clear();
Vertices.Add(1, vertex);
for (int i = 0; i < vertex.Parameters.Length; i++)
{
var copiedVertex = vertex.Parameters.GetAsCopy();
copiedVertex[i] = vertex.Parameters[i] + DimensionalStepSizeForInitialisingSimplex;
var thisStepVert = new Vertex(copiedVertex);
Vertices.Add(i + 2, thisStepVert);
}
}
public void GetSolutionReport_UsingEmptyConstructor()
{
var dhs = new DownHillSimplex();
dhs.InitialGuess = new[] {1d, 7d};
IVertex initialVertex = new Vertex(dhs.InitialGuess);
dhs.InitialSimplex = new Simplex(initialVertex);
dhs.CurrentSimplex = dhs.InitialSimplex;
dhs.ObjectiveFunction = vertex => ObjectiveMeasure.SumOfSquares(vertex);
if (!dhs.IsValid())
{
throw new Exception("Did not pass the IsValid method");
}
var solution = dhs.GetSolution();
var isSolved = solution.ObjectiveMeasure.IsEqualTo(0d);
Assert.IsTrue(isSolved);
}
