edu.cmu.minorthird.util
Class MathUtil

java.lang.Object
  edu.cmu.minorthird.util.MathUtil

public class MathUtil
extends java.lang.Object

Math utilities.

Nested Class Summary

static class

MathUtil.Accumulator Accumulate a list of numbers, then report on mean, standard deviation, and other common statistics.

Constructor Summary

MathUtil()

Method Summary

static double	abs(double x) Absolute value function.
static double	logistic(double x) Logistic function.
static int	sign(double x) Sign function.

Methods inherited from class java.lang.Object

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

Constructor Detail

MathUtil

public MathUtil()

Method Detail

sign

public static int sign(double x)

Sign function.

abs

public static double abs(double x)

Absolute value function.

logistic

public static double logistic(double x)

Logistic function.