org.ddogleg.optimization

Class ExamineCubicInterpolateStability

java.lang.Object

org.ddogleg.optimization.ExamineCubicInterpolateStability

public class ExamineCubicInterpolateStability
extends java.lang.Object

Tests to see which stabilization routine is more numerically stable

Constructor Summary

Constructors

Constructor and Description
ExamineCubicInterpolateStability()

Method Summary

Modifier and Type	Method and Description
static double	cubic(double a, double b, double alpha, double f0, double g0)
static double[]	cubicDirect(double f0, double g0, double f1, double alpha1, double f2, double alpha2) Solve for [a,b] using a direct algebraic equation
static double[]	cubicDirect2(double f0, double g0, double f1, double alpha1, double f2, double alpha2)
static double[]	cubicLinear(double f0, double g0, double f1, double alpha1, double f2, double alpha2) Solve for [a,b] using a linear solver
static void	distanceAlpha(int N) Sees how it creates to small differences in alpha
static void	distanceScale(int N)
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExamineCubicInterpolateStability

public ExamineCubicInterpolateStability()

Method Detail

cubic

public static double cubic(double a,
                           double b,
                           double alpha,
                           double f0,
                           double g0)

cubicDirect

public static double[] cubicDirect(double f0,
                                   double g0,
                                   double f1,
                                   double alpha1,
                                   double f2,
                                   double alpha2)

Solve for [a,b] using a direct algebraic equation

cubicDirect2

public static double[] cubicDirect2(double f0,
                                    double g0,
                                    double f1,
                                    double alpha1,
                                    double f2,
                                    double alpha2)

cubicLinear

public static double[] cubicLinear(double f0,
                                   double g0,
                                   double f1,
                                   double alpha1,
                                   double f2,
                                   double alpha2)

Solve for [a,b] using a linear solver

distanceAlpha

public static void distanceAlpha(int N)

Sees how it creates to small differences in alpha

distanceScale

public static void distanceScale(int N)

main

public static void main(java.lang.String[] args)