edu.hitsz.c102c.util

Class Util

java.lang.Object

edu.hitsz.c102c.util.Util

public class Util
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Util.Operator ¾ØÕó¶ÔÓ¦ÔªËØÏà³ËʱÔÚÿ¸öÔªËØÉϵIJÙ×÷

Field Summary

Fields

Modifier and Type	Field and Description
static Util.Operator	digmod
static edu.hitsz.c102c.util.Util.OperatorOnTwo	minus ¶¨Òå¾ØÕó¶ÔÓ¦ÔªËصļõ·¨²Ù×÷
static edu.hitsz.c102c.util.Util.OperatorOnTwo	multiply ¶¨Òå¾ØÕó¶ÔÓ¦ÔªËصij˷¨²Ù×÷
static Util.Operator	one_value
static edu.hitsz.c102c.util.Util.OperatorOnTwo	plus ¶¨Òå¾ØÕó¶ÔÓ¦ÔªËصļӷ¨²Ù×÷

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static int	binaryArray2int(double[] array)
static double[][]	cloneMatrix(double[][] matrix) ¸´ÖƾØÕó
static double[][]	convnFull(double[][] matrix, double[][] kernel) ¼ÆËãfullģʽµÄ¾í»ý
static double[][]	convnValid(double[][][][] matrix, int mapNoX, double[][][][] kernel, int mapNoY) Èýά¾ØÕóµÄ¾í»ý,ÕâÀïÒªÇóÁ½¸ö¾ØÕóµÄһάÏàͬ
static double[][]	convnValid(double[][] matrix, double[][] kernel) ¼ÆËãvalidģʽµÄ¾í»ý
static java.lang.String	fomart(double[] data)
static int	getMaxIndex(double[] out) È¡×î´óµÄÔªËصÄϱê
static double[][]	kronecker(double[][] matrix, Layer.Size scale) ¿ËÂÞÄÚ¿Ë»ý,¶Ô¾ØÕó½øÐÐÀ©Õ¹
static void	main(java.lang.String[] args)
static double[][]	matrixOp(double[][] ma, double[][] mb, Util.Operator operatorA, Util.Operator operatorB, edu.hitsz.c102c.util.Util.OperatorOnTwo operator) Á½¸öά¶ÈÏàͬµÄ¾ØÕó¶ÔÓ¦ÔªËزÙ×÷,µÃµ½µÄ½á¹û·½·¨mbÖУ¬¼´mb[i][j] = (op_a ma[i][j]) op (op_b mb[i][j])
static double[][]	matrixOp(double[][] ma, Util.Operator operator) ¶Ôµ¥¸ö¾ØÕó½øÐвÙ×÷
static void	printMatrix(double[][] matrix)
static double[]	randomArray(int len) Ëæ»ú³õʼ»¯Ò»Î¬ÏòÁ¿
static double[][]	randomMatrix(int x, int y, boolean b) Ëæ»ú³õʼ»¯¾ØÕó
static int[]	randomPerm(int size, int batchSize) Ëæ»úÅÅÁеijéÑù£¬Ëæ»ú³éÈ¡batchSize¸ö[0,size)µÄÊé
static double[][]	rot180(double[][] matrix) ¶Ô¾ØÕó½øÐÐ180¶ÈÐýת,ÊÇÔÚmatrixµÄ¸±±¾Éϸ´ÖÆ£¬²»»á¶ÔÔ­À´µÄ¾ØÕó½øÐÐÐÞ¸Ä
static double[][]	scaleMatrix(double[][] matrix, Layer.Size scale) ¶Ô¾ØÕó½øÐоùÖµËõС
static double	sigmod(double x)
static double	sum(double[][] error) ¶Ô¾ØÕóÔªËØÇóºÍ
static double[][]	sum(double[][][][] errors, int j) ¶Ôerrors[...][j]ÔªËØÇóºÍ
static void	testRot180()

Methods inherited from class java.lang.Object

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

Field Detail

one_value

public static final Util.Operator one_value

digmod

public static final Util.Operator digmod

plus

public static final edu.hitsz.c102c.util.Util.OperatorOnTwo plus

¶¨Òå¾ØÕó¶ÔÓ¦ÔªËصļӷ¨²Ù×÷

multiply

public static edu.hitsz.c102c.util.Util.OperatorOnTwo multiply

¶¨Òå¾ØÕó¶ÔÓ¦ÔªËصij˷¨²Ù×÷

minus

public static edu.hitsz.c102c.util.Util.OperatorOnTwo minus

¶¨Òå¾ØÕó¶ÔÓ¦ÔªËصļõ·¨²Ù×÷

Constructor Detail

Util

public Util()

Method Detail

printMatrix

public static void printMatrix(double[][] matrix)

rot180

public static double[][] rot180(double[][] matrix)

¶Ô¾ØÕó½øÐÐ180¶ÈÐýת,ÊÇÔÚmatrixµÄ¸±±¾Éϸ´ÖÆ£¬²»»á¶ÔÔ­À´µÄ¾ØÕó½øÐÐÐÞ¸Ä

Parameters:

matrix -

randomMatrix

public static double[][] randomMatrix(int x,
                                      int y,
                                      boolean b)

Ëæ»ú³õʼ»¯¾ØÕó

Parameters:

x -

y -

b -

Returns:

randomArray

public static double[] randomArray(int len)

Ëæ»ú³õʼ»¯Ò»Î¬ÏòÁ¿

Parameters:

len -

Returns:

randomPerm

public static int[] randomPerm(int size,
                               int batchSize)

Ëæ»úÅÅÁеijéÑù£¬Ëæ»ú³éÈ¡batchSize¸ö[0,size)µÄÊé

Parameters:

size -

batchSize -

Returns:

cloneMatrix

public static double[][] cloneMatrix(double[][] matrix)

¸´ÖƾØÕó

Parameters:

matrix -

Returns:

matrixOp

public static double[][] matrixOp(double[][] ma,
                                  Util.Operator operator)

¶Ôµ¥¸ö¾ØÕó½øÐвÙ×÷

Parameters:

ma -

operator -

Returns:

matrixOp

public static double[][] matrixOp(double[][] ma,
                                  double[][] mb,
                                  Util.Operator operatorA,
                                  Util.Operator operatorB,
                                  edu.hitsz.c102c.util.Util.OperatorOnTwo operator)

Á½¸öά¶ÈÏàͬµÄ¾ØÕó¶ÔÓ¦ÔªËزÙ×÷,µÃµ½µÄ½á¹û·½·¨mbÖУ¬¼´mb[i][j] = (op_a ma[i][j]) op (op_b mb[i][j])

Parameters:

ma -

mb -

operatorB - ÔÚµÚmb¾ØÕóÉϵIJÙ×÷

operatorA - ÔÚma¾ØÕóÔªËØÉϵIJÙ×÷

Returns:

kronecker

public static double[][] kronecker(double[][] matrix,
                                   Layer.Size scale)

¿ËÂÞÄÚ¿Ë»ý,¶Ô¾ØÕó½øÐÐÀ©Õ¹

Parameters:

matrix -

scale -

Returns:

scaleMatrix

public static double[][] scaleMatrix(double[][] matrix,
                                     Layer.Size scale)

¶Ô¾ØÕó½øÐоùÖµËõС

Parameters:

matrix -

scaleSize -

Returns:

convnFull

public static double[][] convnFull(double[][] matrix,
                                   double[][] kernel)

¼ÆËãfullģʽµÄ¾í»ý

Parameters:

matrix -

kernel -

Returns:

convnValid

public static double[][] convnValid(double[][] matrix,
                                    double[][] kernel)

¼ÆËãvalidģʽµÄ¾í»ý

Parameters:

matrix -

kernel -

Returns:

convnValid

public static double[][] convnValid(double[][][][] matrix,
                                    int mapNoX,
                                    double[][][][] kernel,
                                    int mapNoY)

Èýά¾ØÕóµÄ¾í»ý,ÕâÀïÒªÇóÁ½¸ö¾ØÕóµÄһάÏàͬ

Parameters:

matrix -

kernel -

Returns:

sigmod

public static double sigmod(double x)

sum

public static double sum(double[][] error)

¶Ô¾ØÕóÔªËØÇóºÍ

Parameters:

error -

Returns:

×¢ÒâÕâ¸öÇóºÍºÜ¿ÉÄÜ»áÒç³ö

sum

public static double[][] sum(double[][][][] errors,
                             int j)

¶Ôerrors[...][j]ÔªËØÇóºÍ

Parameters:

errors -

j -

Returns:

binaryArray2int

public static int binaryArray2int(double[] array)

testRot180

public static void testRot180()

main

public static void main(java.lang.String[] args)

getMaxIndex

public static int getMaxIndex(double[] out)

È¡×î´óµÄÔªËصÄϱê

Parameters:

out -

Returns:

fomart

public static java.lang.String fomart(double[] data)