cnslab.cnsnetwork

Class FunUtil

java.lang.Object

cnslab.cnsnetwork.FunUtil

public class FunUtil
extends Object

A class of Utility functions.

Author:

Yi Dong

Field Summary

Fields

Modifier and Type	Field and Description
static double	minAccuracy

Constructor Summary

Constructors

Constructor and Description
FunUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static int	count(double[] coefficients) Deprecated.
static int	desBound(double[] coefficients) Deprecated.
static double[]	df(double[] coefficients) Deprecated.
static double[]	diff(double[] d, double[] e) compute the difference of vector one and vector two
static double	evaluate(double[] coefficients, double x) Deprecated.
static int	gcd(int[] a) compute greatest common factor for an array of integers.
static int	gcd(int a, int b) compute greatest common factor for two numbers
static double[]	H(double[] out, double n) Deprecated.
static int	hostId(int[] endIndex, int num) Binary search for host id, given an array of neuron index, which are the last neuron index for that nethost
static double	largestRoot(double[] out) Deprecated.
static double[][]	lRotate90(double[][] conn) left rotate matrix 90 degree
static double	mean(double[] d) Same as var function, except mean is computed
static double	mean(int start, double[] d) Same as var function, except mean is computed
static double	mean(int start, int end, double[] d) Same as var function, except mean is computed
static String	Pout(double[] coefficients) Deprecated.
static double	pow2(int expo) Deprecated.
static void	printA(int[] a) print array
static void	printlnA(int[] a) print array
static double	quickNewton(double[] Q, double guess) Deprecated.
static double[]	reflex(double[] out) Deprecated.
static double[]	reverse(double[] out) Deprecated.
static double[]	RH(double[] out, double n) Deprecated.
static String	RPout(double[] coefficients) Deprecated.
static double[][]	rRotate90(double[][] conn) right rotate matrix 90 degree
static double[]	RtalorShiftNegOne(double[] out) Deprecated.
static double[]	RtalorShiftOne(double[] out) Deprecated.
static double	safeRootFind(double[] Q, double guess, double end) Deprecated.
static double[]	scale(double[] out, double n) Deprecated.
static double	sd(double[] d) Compute the standard deviation of the vector
static double	sd(int start, double[] d) Compute the standard deviation of the vector, starting at start
static double	sd(int start, int end, double[] d)
static double	smallestRoot(double[] coefficients) Deprecated.
static double[]	talorShiftNegOne(double[] out) Deprecated.
static double[]	talorShiftOne(double[] out) Deprecated.
static double	var(double[] d) compute the variance of the vector
static double	var(int start, double[] d) compute the variance of the vector starting at index start
static double	var(int start, int end, double[] d) compute the variance of the vector starting at index start, ending at end index inclusively

Methods inherited from class java.lang.Object

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

Field Detail

minAccuracy

public static double minAccuracy

Constructor Detail

FunUtil

public FunUtil()

Method Detail

hostId

public static int hostId(int[] endIndex,
         int num)

Binary search for host id, given an array of neuron index, which are the last neuron index for that nethost

Parameters:

endIndex -

num -

Returns:

lRotate90

public static double[][] lRotate90(double[][] conn)

left rotate matrix 90 degree

Parameters:

matrix -

Returns:

mattrix array

rRotate90

public static double[][] rRotate90(double[][] conn)

right rotate matrix 90 degree

Parameters:

matrix -

Returns:

mattrix array

sd

public static double sd(double[] d)

Compute the standard deviation of the vector

Parameters:

vector -

Returns:

standard deviation

sd

public static double sd(int start,
        double[] d)

Compute the standard deviation of the vector, starting at start

Parameters:

starting - index

vector -

Returns:

standard deviation

sd

public static double sd(int start,
        int end,
        double[] d)

var

public static double var(double[] d)

compute the variance of the vector

Parameters:

vector -

Returns:

variance

var

public static double var(int start,
         double[] d)

compute the variance of the vector starting at index start

Parameters:

vector -

Returns:

variance

var

public static double var(int start,
         int end,
         double[] d)

compute the variance of the vector starting at index start, ending at end index inclusively

Parameters:

start - id

end - id

vector -

Returns:

variance

mean

public static double mean(double[] d)

Same as var function, except mean is computed

Parameters:

d -

Returns:

mean

mean

public static double mean(int start,
          double[] d)

Same as var function, except mean is computed

Parameters:

start - id

mean -

Returns:

mean

public static double mean(int start,
          int end,
          double[] d)

Same as var function, except mean is computed

Parameters:

start -

end -

d -

Returns:

diff

public static double[] diff(double[] d,
            double[] e)

compute the difference of vector one and vector two

Parameters:

vector - one

vector - two

Returns:

vector

Pout

@Deprecated
public static String Pout(double[] coefficients)

Deprecated.

RPout

@Deprecated
public static String RPout(double[] coefficients)

Deprecated.

evaluate

@Deprecated
public static double evaluate(double[] coefficients,
                         double x)

Deprecated.

talorShiftOne

@Deprecated
public static double[] talorShiftOne(double[] out)

Deprecated.

RtalorShiftOne

@Deprecated
public static double[] RtalorShiftOne(double[] out)

Deprecated.

talorShiftNegOne

@Deprecated
public static double[] talorShiftNegOne(double[] out)

Deprecated.

RtalorShiftNegOne

@Deprecated
public static double[] RtalorShiftNegOne(double[] out)

Deprecated.

H

@Deprecated
public static double[] H(double[] out,
                    double n)

Deprecated.

RH

@Deprecated
public static double[] RH(double[] out,
                     double n)

Deprecated.

count

@Deprecated
public static int count(double[] coefficients)

Deprecated.

scale

@Deprecated
public static double[] scale(double[] out,
                        double n)

Deprecated.

pow2

@Deprecated
public static double pow2(int expo)

Deprecated.

df

@Deprecated
public static double[] df(double[] coefficients)

Deprecated.

desBound

@Deprecated
public static int desBound(double[] coefficients)

Deprecated.

smallestRoot

@Deprecated
public static double smallestRoot(double[] coefficients)

Deprecated.

safeRootFind

@Deprecated
public static double safeRootFind(double[] Q,
                             double guess,
                             double end)

Deprecated.

reverse

@Deprecated
public static double[] reverse(double[] out)

Deprecated.

largestRoot

@Deprecated
public static double largestRoot(double[] out)

Deprecated.

reflex

@Deprecated
public static double[] reflex(double[] out)

Deprecated.

quickNewton

@Deprecated
public static double quickNewton(double[] Q,
                            double guess)

Deprecated.

gcd

public static int gcd(int a,
      int b)

compute greatest common factor for two numbers

Parameters:

a -

Returns:

gcd

public static int gcd(int[] a)

compute greatest common factor for an array of integers.

Parameters:

a -

Returns:

printA

public static void printA(int[] a)

print array

Parameters:

a -

printlnA

public static void printlnA(int[] a)

print array

Parameters:

a -