jsci.util.array
Class DiagonalDoubleArray2D

java.lang.Object
  jsci.util.array.AbstractDoubleArray2D
      jsci.util.array.DiagonalDoubleArray2D

All Implemented Interfaces:

Array2D<java.lang.Double>, DoubleArray2D

public class DiagonalDoubleArray2D
extends AbstractDoubleArray2D

Constructor Summary

DiagonalDoubleArray2D(double[][] arr)
Constructs a matrix from an array.

DiagonalDoubleArray2D(DoubleArray1D array)

Method Summary

int	columns()
DiagonalDoubleArray2D	create(int rows, int cols)
double	getDouble(int i, int j)
int	rows()
void	setDouble(int i, int j, double x)

Methods inherited from class jsci.util.array.AbstractDoubleArray2D

contentEquals, contentEquals, contentEquals, contentEqualsOp, contentEqualsOp, get, set, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DiagonalDoubleArray2D

public DiagonalDoubleArray2D(DoubleArray1D array)

DiagonalDoubleArray2D

public DiagonalDoubleArray2D(double[][] arr)

Constructs a matrix from an array. Any non-diagonal elements in the array are ignored.

Method Detail

getDouble

public double getDouble(int i,
                        int j)

setDouble

public void setDouble(int i,
                      int j,
                      double x)

create

public DiagonalDoubleArray2D create(int rows,
                                    int cols)

rows

public int rows()

columns

public int columns()