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QchebApproximation Method

Compute the 12th-order and 24th-order Chebyshev approximations for the function f on the interval [a, b]. The computed coefficients are written into the supplied cheb12 and cheb24 arrays. This static helper allocates temporary working storage for each call.

Namespace: Altaxo.Calc.Integration
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3448.0 (4.8.3448.0)
Syntax
C#
Copy
public static void Approximation(
	Func<double, double> f,
	double a,
	double b,
	double[] cheb12,
	double[] cheb24
)

Parameters

f  FuncDouble, Double
The function to approximate.
a  Double
Lower bound of the approximation interval.
b  Double
Upper bound of the approximation interval.
cheb12  Double
Array to receive the 12th-order Chebyshev coefficients (length at least 13).
cheb24  Double
Array to receive the 24th-order Chebyshev coefficients (length at least 25).
See Also