FiniteDifferenceMethod.Central Method

Constructs a new finite difference method that uses central differences to approximate a derivative of the specified order.

Definition

Namespace: Numerics.NET.Calculus
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.2
C#
public static FiniteDifferenceMethod Central(
	int derivativeOrder,
	int accuracyOrder
)

Parameters

derivativeOrder  Int32
The order of the derivative to compute.
accuracyOrder  Int32
The accuracy order of the method.

Return Value

FiniteDifferenceMethod
A FiniteDifferenceMethod object.

Remarks

The accuracy order of the method is the smallest exponent of the step size in the error of the approximation. As a result, higher order methods allow for larger step sizes.

Central finite difference methods evaluate the function at values that may be smaller or greater than the point where the derivative is requested.

Central differences are generally more accurate than both forward and backward differences using the same number of points. However, the computation may fail for points close to a singularity of the function.

Exceptions

ArgumentOutOfRangeException

derivativeOrder is less than zero.

-or-

accuracyOrder is less than one.

See Also