org.ddogleg.solver

Class TestPolynomialSolver

java.lang.Object

org.ddogleg.solver.TestPolynomialSolver

public class TestPolynomialSolver
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Random	rand

Constructor Summary

Constructors

Constructor and Description
TestPolynomialSolver()

Method Summary

Modifier and Type	Method and Description
static double	cubic(double a, double b, double c, double d, double x)
void	cubicRootReal_known() Computed a root using Sage.
void	cubicRootReal_random() Create several random polynomials and see if it holds up
void	polynomialRootsEVD() Provide a simple test case where one of the roots should be real

Methods inherited from class java.lang.Object

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

Field Detail

rand

public static java.util.Random rand

Constructor Detail

TestPolynomialSolver

public TestPolynomialSolver()

Method Detail

polynomialRootsEVD

public void polynomialRootsEVD()

Provide a simple test case where one of the roots should be real

cubicRootReal_known

public void cubicRootReal_known()

Computed a root using Sage. The two other roots are imaginary

cubicRootReal_random

public void cubicRootReal_random()

Create several random polynomials and see if it holds up

cubic

public static double cubic(double a,
                           double b,
                           double c,
                           double d,
                           double x)