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NumericalDerivativeEvaluatePartialDerivative(FuncDouble, Double, Double, Int32, Int32, NullableDouble) Method

Evaluates the partial derivative of a multivariate function.

Namespace: Altaxo.Calc.Differentiation
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public double EvaluatePartialDerivative(
	Func<double[], double> f,
	double[] x,
	int parameterIndex,
	int order,
	double? currentValue = null
)

Parameters

f  FuncDouble, Double
Multivariate function handle.
x  Double
Vector at which to evaluate the derivative.
parameterIndex  Int32
Index of independent variable for partial derivative.
order  Int32
Derivative order.
currentValue  NullableDouble  (Optional)
Current function value at center.

Return Value

Double
Function partial derivative at x of the specified order.
See Also