Utils

Class Array1D

java.lang.Object

Utils.Array1D

public class Array1D
extends java.lang.Object

Utility class for 1D arrays

Version:

2.0

Method Summary

Methods

Modifier and Type	Method and Description
static int[]	index(double[] a) Returns indexes from the input array in rank order.
static int[]	rank(double[] a) Returns the rank of each element in an array.
static void	writeFile(double[] a, java.io.File f) Write an array to a file

Methods inherited from class java.lang.Object

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

Method Detail

index

public static int[] index(double[] a)

Returns indexes from the input array in rank order. That is the output array will contain an index to the largest element in the original array, then the second largest etc.

Parameters:

a - The input array

Returns:

An array of indexes in rank order

rank

public static int[] rank(double[] a)

Returns the rank of each element in an array. In the case of a tie between elements in the array the element that occurs first will have the lowest rank.

Parameters:

a - The input array

Returns:

The rank of each element

writeFile

public static void writeFile(double[] a,
             java.io.File f)
                      throws java.io.FileNotFoundException

Write an array to a file

Parameters:

a - The array

f - The file

Throws:

java.io.FileNotFoundException - thrown if this error is encountered while writing the file.