com.numericalmethod.suanshu.matrix.doubles.operation
Class MatrixUtils

java.lang.Object
  com.numericalmethod.suanshu.matrix.doubles.operation.MatrixUtils

public class MatrixUtils
extends java.lang.Object

This class collects a set of utility functions to operate on matrices.

Constructor Summary

MatrixUtils()

Method Summary

static int[]	colSums(Matrix A)
static int[]	rowSums(Matrix A)
static double[]	to1DArray(Matrix A) Get all matrix entries in the form of a 1D double[] array.
static double[][]	to2DArray(Matrix A) Get all matrix entries in the form of a 2D double[][] array.

Methods inherited from class java.lang.Object

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

Constructor Detail

MatrixUtils

public MatrixUtils()

Method Detail

rowSums

public static int[] rowSums(Matrix A)

colSums

public static int[] colSums(Matrix A)

to1DArray

public static double[] to1DArray(Matrix A)

Get all matrix entries in the form of a 1D double[] array.

Returns:

all matrix entries as a double[] which is an independent copy

to2DArray

public static double[][] to2DArray(Matrix A)

Get all matrix entries in the form of a 2D double[][] array.

Returns:

all matrix entries as a double[][] which is an independent copy