Package com.macrofocus.high_d.mds.tsne

Class AbstractMatrixOperations

java.lang.Object

com.macrofocus.high_d.mds.tsne.AbstractMatrixOperations

All Implemented Interfaces:

MatrixOperations

Direct Known Subclasses:

DefaultMatrixOperations

public abstract class AbstractMatrixOperations
extends java.lang.Object
implements MatrixOperations

Nested Class Summary

Nested classes/interfaces inherited from interface com.macrofocus.high_d.mds.tsne.MatrixOperations

MatrixOperations.MatrixOp

Constructor Summary

Constructors

Constructor	Description
AbstractMatrixOperations()

Method Summary

Modifier and Type	Method	Description
double[][]	abs(boolean[][] booleans)
double[][]	addColumnVector(double[][] matrix, double[][] colvector)
double[][]	addRowVector(double[][] matrix, double[][] rowvector)
void	assignAllLessThan(double[][] matrix, double lessthan, double assign)	All values in matrix that is less than lessthan is assigned the value assign
void	assignAtIndex(double[][] num, int[] range, int[] range1, double value)
void	assignValuesToRow(double[][] matrix, int row, int[] indicies, double[] values)
boolean[][]	biggerThan(double[][] matrix, double value)	Returns a new matrix of booleans where true is set if the value in the matrix is bigger than value
int[]	concatenate(int[] v1, int[] v2)
double[][]	diag(double[][] ds)
boolean[][]	equal(boolean[][] matrix1, boolean[][] matrix2)	Returns a new matrix of booleans where true is set if the values to the two matrices are the same at that index
double[][]	exp(double[][] v1)	Destructively sets the values in matrix to its exponentiated value
double[][]	fillMatrix(int rows, int cols, double fillvalue)
double[][]	getValuesFromRow(double[][] matrix, int row, int[] indicies)
double[][]	maximum(double[][] matrix, double maxval)	Return a new matrix with the max value of either the value in the matrix or maxval otherwise
double[][]	mean(double[][] matrix, int axis)
boolean[][]	negate(boolean[][] booleans)	Returns new matrix with booleans which are the negations of the input
double[][]	plus(double[][] m1, double[][] m2)
int[]	range(int n)
int[]	range(int a, int b)
double[][]	rnorm(int m, int n)	Returns new 2D matrix with normal random values with mean 0 and std.
double[][]	scalarDivide(double[][] numerator, double denom)
double[][]	scalarInverse(double[][] m1)	Returns scalar inverse of matrix
double[][]	scalarMult(double[][] m1, double mul)
double[][]	scalarPlus(double[][] m1, double m2)
double[][]	scalarPow(double[][] matrix, double power)
double[][]	square(double[][] matrix)	Returns a new matrix with the values of matrix squared
double	sum(double[][] matrix)	Returns sum of all values in the matrix
double[][]	sum(double[][] matrix, int axis)
double[][]	tile(double[][] matrix, int rowtimes, int coltimes)
double[][]	times(double[][] a, double[][] b)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.macrofocus.high_d.mds.tsne.MatrixOperations

dnrom, minus, scalarMultiply, transpose

Constructor Detail

AbstractMatrixOperations

public AbstractMatrixOperations()

Method Detail

mean

public double[][] mean(double[][] matrix,
                       int axis)

Specified by:

mean in interface MatrixOperations

exp

public double[][] exp(double[][] v1)

Description copied from interface: MatrixOperations

Destructively sets the values in matrix to its exponentiated value

Specified by:

exp in interface MatrixOperations

Returns:

same matrix with values exponentiated

scalarInverse

public double[][] scalarInverse(double[][] m1)

Description copied from interface: MatrixOperations

Returns scalar inverse of matrix

Specified by:

scalarInverse in interface MatrixOperations

rnorm

public double[][] rnorm(int m,
                        int n)

Description copied from interface: MatrixOperations

Returns new 2D matrix with normal random values with mean 0 and std. dev 1

Specified by:

rnorm in interface MatrixOperations

equal

public boolean[][] equal(boolean[][] matrix1,
                         boolean[][] matrix2)

Description copied from interface: MatrixOperations

Returns a new matrix of booleans where true is set if the values to the two matrices are the same at that index

Specified by:

equal in interface MatrixOperations

Returns:

new matrix with booelans with values matrix1[i,j] == matrix2[i,j]

biggerThan

public boolean[][] biggerThan(double[][] matrix,
                              double value)

Description copied from interface: MatrixOperations

Returns a new matrix of booleans where true is set if the value in the matrix is bigger than value

Specified by:

biggerThan in interface MatrixOperations

Returns:

new matrix with booelans with values matrix1[i,j] == matrix2[i,j]

negate

public boolean[][] negate(boolean[][] booleans)

Description copied from interface: MatrixOperations

Returns new matrix with booleans which are the negations of the input

Specified by:

negate in interface MatrixOperations

abs

public double[][] abs(boolean[][] booleans)

Specified by:

abs in interface MatrixOperations

sum

public double[][] sum(double[][] matrix,
                      int axis)

Specified by:

sum in interface MatrixOperations

sum

public double sum(double[][] matrix)

Description copied from interface: MatrixOperations

Returns sum of all values in the matrix

Specified by:

sum in interface MatrixOperations

maximum

public double[][] maximum(double[][] matrix,
                          double maxval)

Description copied from interface: MatrixOperations

Return a new matrix with the max value of either the value in the matrix or maxval otherwise

Specified by:

maximum in interface MatrixOperations

assignAllLessThan

public void assignAllLessThan(double[][] matrix,
                              double lessthan,
                              double assign)

Description copied from interface: MatrixOperations

All values in matrix that is less than lessthan is assigned the value assign

Specified by:

assignAllLessThan in interface MatrixOperations

square

public double[][] square(double[][] matrix)

Description copied from interface: MatrixOperations

Returns a new matrix with the values of matrix squared

Specified by:

square in interface MatrixOperations

scalarPow

public double[][] scalarPow(double[][] matrix,
                            double power)

Specified by:

scalarPow in interface MatrixOperations

addColumnVector

public double[][] addColumnVector(double[][] matrix,
                                  double[][] colvector)

Specified by:

addColumnVector in interface MatrixOperations

addRowVector

public double[][] addRowVector(double[][] matrix,
                               double[][] rowvector)

Specified by:

addRowVector in interface MatrixOperations

tile

public double[][] tile(double[][] matrix,
                       int rowtimes,
                       int coltimes)

Specified by:

tile in interface MatrixOperations

range

public int[] range(int n)

Specified by:

range in interface MatrixOperations

range

public int[] range(int a,
                   int b)

Specified by:

range in interface MatrixOperations

concatenate

public int[] concatenate(int[] v1,
                         int[] v2)

Specified by:

concatenate in interface MatrixOperations

assignAtIndex

public void assignAtIndex(double[][] num,
                          int[] range,
                          int[] range1,
                          double value)

Specified by:

assignAtIndex in interface MatrixOperations

getValuesFromRow

public double[][] getValuesFromRow(double[][] matrix,
                                   int row,
                                   int[] indicies)

Specified by:

getValuesFromRow in interface MatrixOperations

assignValuesToRow

public void assignValuesToRow(double[][] matrix,
                              int row,
                              int[] indicies,
                              double[] values)

Specified by:

assignValuesToRow in interface MatrixOperations

fillMatrix

public double[][] fillMatrix(int rows,
                             int cols,
                             double fillvalue)

Specified by:

fillMatrix in interface MatrixOperations

plus

public double[][] plus(double[][] m1,
                       double[][] m2)

Specified by:

plus in interface MatrixOperations

scalarPlus

public double[][] scalarPlus(double[][] m1,
                             double m2)

Specified by:

scalarPlus in interface MatrixOperations

scalarDivide

public double[][] scalarDivide(double[][] numerator,
                               double denom)

Specified by:

scalarDivide in interface MatrixOperations

scalarMult

public double[][] scalarMult(double[][] m1,
                             double mul)

Specified by:

scalarMult in interface MatrixOperations

times

public double[][] times(double[][] a,
                        double[][] b)

Specified by:

times in interface MatrixOperations

diag

public double[][] diag(double[][] ds)

Specified by:

diag in interface MatrixOperations