LevenbergMarquardtJacobianTest Method (Int32, Int32, Double, VectorFunction, VectorFunction, Double)

Calculates the 2-norm difference between the exact and the numeric jacobian, on an element-wise basis (not matrix norm, but element/vector norm)

Namespace: DHIMath.Numerics
Assembly: DHI.Mike1D.Generic (in DHI.Mike1D.Generic.dll) Version: 16.0.0.0 (11.1.1.1111)

Syntax

public static double JacobianTest(
	int dimx,
	int dimf,
	double[] x,
	VectorFunction function,
	VectorFunction jacobian,
	double reldx
)

dimx: Type: SystemInt32
Dimension of x vector
dimf: Type: SystemInt32
Dimension of f vector
x: Type: SystemDouble
Point to evaluate jacobian at
function: Type: DHIMath.NumericsVectorFunction
Function to test
jacobian: Type: DHIMath.NumericsVectorFunction
Jacobian to test
reldx: Type: SystemDouble
Relative dx used when approximating the Jacobian numerically

Type: Double

LevenbergMarquardtAddLanguageSpecificTextSet("LST63AB19F5_0?cpp=::|nu=.");JacobianTest Method (Int32, Int32, AddLanguageSpecificTextSet("LST63AB19F5_1?cpp=array&lt;");DoubleAddLanguageSpecificTextSet("LST63AB19F5_2?cpp=&gt;|vb=()|nu=[]");, VectorFunction, VectorFunction, Double)