MathUtils (tetrad-lib 7.2.2 API)

java.lang.Object

edu.cmu.tetrad.util.MathUtils

public class MathUtils extends Object

Some extra mathematical functions not contained in org.apache.commons.math3.util.FastMath.

Author:: Joseph Ramsey

Constructor Summary

Constructors

Constructor

Description

MathUtils()
Method Summary

Modifier and Type

Method

Description

static int

choose(int a, int b)

static int

factorial(int n)

static double

logChoose(int a, int b)

static double

logFactorial(int n)

static double

logistic(double x)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- MathUtils
  
  public MathUtils()
Method Details
- logistic
  
  public static double logistic(double x)
  
  Parameters:
  
  x - a double value.
  
  Returns:
  
  the logistic function of x = 1 / (1 + exp(-x)).
- factorial
  
  public static int factorial(int n)
- logFactorial
  
  public static double logFactorial(int n)
- choose
  
  public static int choose(int a, int b)
- logChoose
  
  public static double logChoose(int a, int b)