|
public ToTaylorExpansion ( int n ) : IEnumerable |
||
| n | int | |
| Résultat | IEnumerable |
|
public void ToTaylorExpansion_2()
{
var sine = new Sine { Aparam = 2, Bparam = 0 };
var expansion = sine.ToTaylorExpansion(5).ToList();
expansion.Should().HaveCount(4);
expansion.Select(s => s.PolynomialDegree).Should().ContainInOrder(1, 3, 5, 0);
expansion.Select(s => s.LittleODegree).Should().ContainInOrder(0, 0, 0, 5);
expansion.Select(s => s.Coefficient).Should().ContainInOrder(2.0, -8.0 / 6, 32.0 / 120, 1.0);
}
public void ToTaylorExpansion_3()
{
var sine = new Sine { Aparam = 2, Bparam = 5 };
var expansion = sine.ToTaylorExpansion(5).ToList();
expansion.Should().HaveCount(7);
expansion.Select(s => s.PolynomialDegree).Should().ContainInOrder(0, 1, 2, 3, 4, 5, 0);
expansion.Select(s => s.LittleODegree).Should().ContainInOrder(0, 0, 0, 0, 0, 0, 5);
expansion.Select(s => s.Coefficient)
.Should()
.ContainInOrder(
Math.Sin(5),
2 * Math.Cos(5),
-2 * Math.Sin(5),
-8.0 / 6 * Math.Cos(5),
16.0 / 24 * Math.Sin(5),
32.0 / 120 * Math.Cos(5),
1.0
);
}
