edu.iu.dsc.tws.examples.ml.svm.math

Class Matrix

java.lang.Object

edu.iu.dsc.tws.examples.ml.svm.math.Matrix

All Implemented Interfaces:

java.io.Serializable

public final class Matrix
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
static double[]	add(double[] w1, double[] w2)
static double[]	divide(double[] x, double[] w)
static double	dot(double[] x, double[] w)
static double[]	multiply(double[] x, double[] w)
static void	printMatrix(double[][] mat)
static void	printVector(double[] mat)
static double[]	scalarAddition(double[] x, double y)
static double[]	scalarDivide(double[] x, double y)
static double[]	scalarMultiply(double[] x, double y)
static double[]	scalarMultiplyR(double[] x, double y, double[] result)
static double[]	sqrt(double[] x)
static double[]	subtract(double[] w1, double[] w2)
static double[]	subtractR(double[] w1, double[] w2, double[] res)
static double	sum(double[] arr)

Methods inherited from class java.lang.Object

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

Method Detail

scalarMultiply

public static double[] scalarMultiply(double[] x,
                                      double y)

sum

public static double sum(double[] arr)

scalarMultiplyR

public static double[] scalarMultiplyR(double[] x,
                                       double y,
                                       double[] result)

scalarDivide

public static double[] scalarDivide(double[] x,
                                    double y)

scalarAddition

public static double[] scalarAddition(double[] x,
                                      double y)

multiply

public static double[] multiply(double[] x,
                                double[] w)
                         throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

divide

public static double[] divide(double[] x,
                              double[] w)
                       throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

sqrt

public static double[] sqrt(double[] x)
                     throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

add

public static double[] add(double[] w1,
                           double[] w2)
                    throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

subtract

public static double[] subtract(double[] w1,
                                double[] w2)
                         throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

subtractR

public static double[] subtractR(double[] w1,
                                 double[] w2,
                                 double[] res)
                          throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

dot

public static double dot(double[] x,
                         double[] w)
                  throws MatrixMultiplicationException

Throws:

MatrixMultiplicationException

printVector

public static void printVector(double[] mat)

printMatrix

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