org.ginsim.service.tool.avatar.utils

Class AvaMath

java.lang.Object

org.ginsim.service.tool.avatar.utils.AvaMath

public class AvaMath
extends Object

Facilities associated with simplistic mathematical functions

Version:

1.0

Author:

Rui Henriques

Constructor Summary

Constructors

Constructor and Description
AvaMath()

Method Summary

Modifier and Type	Method and Description
static int	max(List<Integer> vector) Returns the maximum of an integer list
static double	mean(List<Integer> vector) Returns the mean of an integer list
static int	min(List<Integer> vector) Returns the minimum of an integer list
static double[][]	normalizeColumns(double[][] dataset) Normalizes the columns of a matrix
static double	std(List<Integer> vector) Returns the standard deviation of an integer list
static double	sum(Collection<Double> values) Returns the sum of a double collection
static double	sum(double[] vector) Returns the sum of a double array
static int	sum(List<Integer> vector) Returns the sum of an integer list
static int	sumCollection(Collection<Integer> vector) Returns the sum of an integer collection

Methods inherited from class java.lang.Object

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

Constructor Detail

AvaMath

public AvaMath()

Method Detail

min

public static int min(List<Integer> vector)

Returns the minimum of an integer list

Parameters:

vector - the list of integers

Returns:

the minimum value

max

public static int max(List<Integer> vector)

Returns the maximum of an integer list

Parameters:

vector - the list of integers

Returns:

the maximum value

sum

public static int sum(List<Integer> vector)

Returns the sum of an integer list

Parameters:

vector - the list of integers

Returns:

the sum of values

sumCollection

public static int sumCollection(Collection<Integer> vector)

Returns the sum of an integer collection

Parameters:

vector - the collection of integers

Returns:

the sum of values

sum

public static double sum(Collection<Double> values)

Returns the sum of a double collection

Parameters:

vector - the collection of doubles

Returns:

the sum of values

sum

public static double sum(double[] vector)

Returns the sum of a double array

Parameters:

vector - the array of doubles

Returns:

the sum of values

mean

public static double mean(List<Integer> vector)

Returns the mean of an integer list

Parameters:

vector - the list of integers

Returns:

the mean of values

std

public static double std(List<Integer> vector)

Returns the standard deviation of an integer list

Parameters:

vector - the list of integers

Returns:

the standard deviation of values

normalizeColumns

public static double[][] normalizeColumns(double[][] dataset)

Normalizes the columns of a matrix

Parameters:

vector - the matrix whose columns are to be normalized

Returns:

the matrix with the values normalized per column