jsci.util.array
Class TridiagonalDoubleArray2D

java.lang.Object
  jsci.util.array.AbstractDoubleArray2D
      jsci.util.array.TridiagonalDoubleArray2D

All Implemented Interfaces:

Array2D<java.lang.Double>, DoubleArray2D

public class TridiagonalDoubleArray2D
extends AbstractDoubleArray2D

Field Summary

protected double[]	diag
protected double[]	ldiag Tridiagonal data.
protected double[]	udiag

Constructor Summary

TridiagonalDoubleArray2D(double[][] array)
Constructs a matrix from an array.

TridiagonalDoubleArray2D(int size)

Method Summary

int	columns()
TridiagonalDoubleArray2D	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

Field Detail

ldiag

protected final double[] ldiag

Tridiagonal data.

diag

protected final double[] diag

udiag

protected final double[] udiag

Constructor Detail

TridiagonalDoubleArray2D

public TridiagonalDoubleArray2D(int size)

TridiagonalDoubleArray2D

public TridiagonalDoubleArray2D(double[][] array)

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

Method Detail

create

public TridiagonalDoubleArray2D create(int rows,
                                       int cols)

getDouble

public double getDouble(int i,
                        int j)

setDouble

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

rows

public int rows()

columns

public int columns()