Package com.macrofocus.high_d.mds.tsne

Class DefaultMatrixOperations

java.lang.Object

com.macrofocus.high_d.mds.tsne.AbstractMatrixOperations

com.macrofocus.high_d.mds.tsne.DefaultMatrixOperations

All Implemented Interfaces:

MatrixOperations

public class DefaultMatrixOperations
extends AbstractMatrixOperations

Nested Class Summary

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

MatrixOperations.MatrixOp

Constructor Summary

Constructors

Constructor	Description
DefaultMatrixOperations()

Method Summary

Modifier and Type	Method	Description
double	dnrom(double mu, double sigma)	Generate random draw from Normal with mean mu and std.
double[][]	minus(double[][] m1, double[][] m2)
double[][]	scalarMultiply(double[][] m1, double[][] m2)
double[][]	transpose(double[][] matrix)

Methods inherited from class com.macrofocus.high_d.mds.tsne.AbstractMatrixOperations

abs, addColumnVector, addRowVector, assignAllLessThan, assignAtIndex, assignValuesToRow, biggerThan, concatenate, diag, equal, exp, fillMatrix, getValuesFromRow, maximum, mean, negate, plus, range, range, rnorm, scalarDivide, scalarInverse, scalarMult, scalarPlus, scalarPow, square, sum, sum, tile, times

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMatrixOperations

public DefaultMatrixOperations()

Method Detail

scalarMultiply

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

minus

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

transpose

public double[][] transpose(double[][] matrix)

dnrom

public double dnrom(double mu,
                    double sigma)

Description copied from interface: MatrixOperations

Generate random draw from Normal with mean mu and std. dev sigma

Returns:

random sample