FТест метода Ньютона
1using NUnit.Framework;
2
3namespace MathUtilities
4{
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[TestFixture]
[TestOf(typeof(NewtonOptimizer))] public class NewtonOptimizerTest
{
[Test]
public void TestLeftParabola()
{
var o = new NewtonOptimizer(LeftParabola, start: -1.5); var got = o.GetOptimal();
Assert.AreEqual(-1, got, 1E-04);
}
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private double LeftParabola(double x) => |
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x * x + 2 * x + 1; |
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} |
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[TestFixture]
[TestOf(typeof(Derivative))] public class DerivativeTest
{
public Derivative derivative;
[SetUp]
public void Init()
{
derivative = new Derivative(TypicalFunction);
}
33[Test]
34[TestCase(0, 0)]
35[TestCase(1, 2)]
36public void TestDerivative(double x, double expected)
37{
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var got = derivative.GetDerivative(x); |
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Assert.AreEqual(expected, got); |
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} |
41
42[Test]
43[TestCase(0, 0)]
44[TestCase(1, 3)]
45public void TestDerivative(double x, double expected)
{
var got = derivative.GetDerivative(x); Assert.AreEqual(expected, got);
}
51[Test]
52[TestCase(0, 0)]
53[TestCase(1, 6)]
54public void TestSecondDerivative(double x, double expected)
55{
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var got = derivative.GetSecondDerivative(x); |
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Assert.AreEqual(expected, got); |
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} |
59
60/// <summary>
61/// x^3
62/// </summary>
63/// <remark>
64/// F'(0) = 0;
65/// F'(1) = 3;
66/// </remark>
67private double TypicalFunction(double vector) =>
69}
70}
