com.datumbox.framework.core.mathematics.discrete

Class Arithmetics

java.lang.Object

com.datumbox.framework.core.mathematics.discrete.Arithmetics

public class Arithmetics
extends java.lang.Object

Utility class with useful arithmetic methods.

Constructor Summary

Constructors

Constructor and Description
Arithmetics()

Method Summary

Modifier and Type	Method and Description
static double	combination(int n, int k) It estimates the number of k-combinations of n objects.
static double	factorial(int k) It estimates the factorial of an integer.

Methods inherited from class java.lang.Object

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

Constructor Detail

Arithmetics

public Arithmetics()

Method Detail

factorial

public static double factorial(int k)

It estimates the factorial of an integer.

Parameters:

k -

Returns:

combination

public static double combination(int n,
                                 int k)

It estimates the number of k-combinations of n objects.

Parameters:

n -

k -

Returns: