|
public ToTaylorExpansion ( int n ) : IEnumerable |
||
| n | int | |
| return | IEnumerable |
|
public void ToTaylorExpansion_2()
{
var power = new PowerFunction { Aparam = 2, Bparam = 3, PowerNumerator = 1, PowerDenominator = 2 };
var expansion = power.ToTaylorExpansion(2).ToList();
expansion.Should().HaveCount(4);
expansion.Select(s => s.PolynomialDegree).Should().ContainInOrder(0, 1, 2, 0);
expansion.Select(s => s.LittleODegree).Should().ContainInOrder(0, 0, 0, 2);
expansion.Select(s => s.Coefficient).Should().ContainInOrder(Math.Pow(3, 0.5), Math.Pow(3, 0.5) * 1.0 / 3.0, Math.Pow(3, 0.5) * -1.0 / 18.0, 1.0);
}
public void ToTaylorExpansion_1()
{
var power = new PowerFunction {Aparam = 2, Bparam = 3, PowerNumerator = 3, PowerDenominator = 1};
var expansion = power.ToTaylorExpansion(7).ToList();
expansion.Should().HaveCount(4);
expansion.Select(s => s.PolynomialDegree).Should().ContainInOrder(0, 1, 2, 3);
expansion.Select(s => s.LittleODegree).Should().OnlyContain(x => x == 0);
expansion.Select(s => s.Coefficient).Should().ContainInOrder(27.0, 54.0, 36.0, 8.0);
}
