public void TheBisectionAlgorithmTest()
{
var func = new FunctionDefinition("f(x1,x2) = (x1)^2 + 2*(x2)^2 - 6*x1 + x1*x2");
var D = new List <double> {
1, 0
};
var point = new Point("0,0");
var beta = 0.4;
var tauR = 9;
var epsilon = 0.00001;
var algorithm = new TheBisectionAlgorithmWithGoldsteinTwoSidedTest
(func, point, D, tauR, beta, epsilon);
var result = algorithm.Run();
var expected0 = 6;
var expected1 = 0;
if (Math.Abs(result.ListOfVariables[0] - expected0) <= epsilon && Math.Abs(result.ListOfVariables[1] - expected1) <= epsilon)
{
Assert.True(true);
}
else
{
Assert.False(true);
}
}
public void TheBisectionAlgorithmTestV2()
{
var func = new FunctionDefinition("f(x1,x2) = 2*(x1)^2+(x2)^2 -2*x1*x2");
var point = new Point("2,3");
var D = MathUtility.Gradient(func, point);
D = MathUtility.DirectionD(D);
var beta = 0.25;
var tauR = 0.1;
var epsilon = 0.00001;
var algorithm = new TheBisectionAlgorithmWithGoldsteinTwoSidedTest
(func, point, D, tauR, beta, epsilon);
Assert.Throws <InvalidTauException>(() => algorithm.Run());
}