marmot.util

Class Numerics

java.lang.Object

marmot.util.Numerics

public class Numerics
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static double	EPSILON

Constructor Summary

Constructors

Constructor and Description
Numerics()

Method Summary

Modifier and Type	Method and Description
static boolean	approximatelyEqual(double[][][] array1, double[][][] array2, double eps) Determines whether two 3d jagged arrays are approximately equal
static boolean	approximatelyEqual(double[][] array1, double[][] array2, double eps) Determines whether two 2d jagged arrays are approximately equal
static boolean	approximatelyEqual(double[] array1, double[] array2, double eps) Determines whether two 1d jagged arrays are approximately equal
static boolean	approximatelyEqual(double a, double b)
static boolean	approximatelyGreaterEqual(double a, double b)
static boolean	approximatelyGreaterEqual(double a, double b, double epsilon)
static boolean	approximatelyLesserEqual(double a, double b)
static double	digamma(double x)
static double	exp_digamma(double x)
static double	sumLogProb(double a, double b)

Methods inherited from class java.lang.Object

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

Field Detail

EPSILON

public static final double EPSILON

See Also:

Constant Field Values

Constructor Detail

Numerics

public Numerics()

Method Detail

approximatelyEqual

public static boolean approximatelyEqual(double[] array1,
                                         double[] array2,
                                         double eps)

Determines whether two 1d jagged arrays are approximately equal

Parameters:

array1 -

array2 -

eps -

Returns:

approximatelyEqual

public static boolean approximatelyEqual(double[][] array1,
                                         double[][] array2,
                                         double eps)

Determines whether two 2d jagged arrays are approximately equal

Parameters:

array1 -

array2 -

eps -

Returns:

approximatelyEqual

public static boolean approximatelyEqual(double[][][] array1,
                                         double[][][] array2,
                                         double eps)

Determines whether two 3d jagged arrays are approximately equal

Parameters:

array1 -

array2 -

eps -

Returns:

sumLogProb

public static double sumLogProb(double a,
                                double b)

digamma

public static double digamma(double x)

exp_digamma

public static double exp_digamma(double x)

approximatelyGreaterEqual

public static boolean approximatelyGreaterEqual(double a,
                                                double b,
                                                double epsilon)

approximatelyGreaterEqual

public static boolean approximatelyGreaterEqual(double a,
                                                double b)

approximatelyLesserEqual

public static boolean approximatelyLesserEqual(double a,
                                               double b)

approximatelyEqual

public static boolean approximatelyEqual(double a,
                                         double b)