org.lemsml.jlems.core.run

Class Matrix

java.lang.Object

org.lemsml.jlems.core.run.Matrix

All Implemented Interfaces:

Cloneable

public final class Matrix
extends Object
implements Cloneable

Constructor Summary

Constructors

Constructor and Description
Matrix(double[][] a)
Matrix(int nnn)

Method Summary

Modifier and Type	Method and Description
void	add(double d)
void	add(Matrix m)
static Matrix[]	average(Matrix[] ma, Matrix[] mb, double f)
static Matrix	average(Matrix ma, Matrix mb, double f)
Matrix	copy()
double[][]	copyMat()
Matrix	crudeExpOf(double t)
double	det()
int	dim()
String	dump()
double[]	ev1vec(int np)
Matrix	expOf(double t)
double[]	flatten()
double[][]	getArray()
double[]	getColumn(int ic)
double[][]	getData()
double[]	getFlat()
void	identise()
Matrix	identity()
Matrix	inverse()
void	invert()
void	lu()
Column	lubksb(Column v)
double[]	lubksb(double[] b)
Column	luSolve(Column r)
static double[]	luSolve(double[][] m, double[] R)
double[]	lvprod(double[] v)
double	maxAbsElt()
void	mpyBy(double d)
void	mpyBy(Matrix m)
void	multiplyBy(double dt)
void	multiplyInto(double[] v)
void	negate()
Matrix	power(int p)
String	print()
String	printDiag()
Matrix	prod(Matrix m)
void	rect2rvprod(double[] v, double[] r1, double[] r2)
void	round()
void	round(double d)
double[]	rvprod(double[] v)
double	rvprodOneElt(double[] v, int elt)
void	set(int i, int j, double d)
void	setDims(int d1, int d2)
void	subtractIdentity()
Matrix	sum(Matrix m)
void	sysPrint(String s)
Column	times(Column v)
Matrix	transpose()
void	zero()

Methods inherited from class java.lang.Object

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

Constructor Detail

Matrix

public Matrix(int nnn)

Matrix

public Matrix(double[][] a)

Method Detail

getData

public double[][] getData()

flatten

public double[] flatten()

sysPrint

public void sysPrint(String s)
              throws MatrixException

Throws:

MatrixException

dim

public int dim()

copy

public Matrix copy()

setDims

public void setDims(int d1,
                    int d2)

identise

public void identise()

zero

public void zero()

identity

public Matrix identity()

add

public void add(double d)

average

public static Matrix[] average(Matrix[] ma,
                               Matrix[] mb,
                               double f)

average

public static Matrix average(Matrix ma,
                             Matrix mb,
                             double f)

add

public void add(Matrix m)
         throws MatrixException

Throws:

MatrixException

sum

public Matrix sum(Matrix m)
           throws MatrixException

Throws:

MatrixException

mpyBy

public void mpyBy(double d)

mpyBy

public void mpyBy(Matrix m)
           throws MatrixException

Throws:

MatrixException

prod

public Matrix prod(Matrix m)
            throws MatrixException

Throws:

MatrixException

lvprod

public double[] lvprod(double[] v)
                throws MatrixException

Throws:

MatrixException

times

public Column times(Column v)
             throws MatrixException

Throws:

MatrixException

rvprod

public double[] rvprod(double[] v)
                throws MatrixException

Throws:

MatrixException

multiplyInto

public void multiplyInto(double[] v)

rect2rvprod

public void rect2rvprod(double[] v,
                        double[] r1,
                        double[] r2)

rvprodOneElt

public double rvprodOneElt(double[] v,
                           int elt)

transpose

public Matrix transpose()

det

public double det()
           throws MatrixException

Throws:

MatrixException

copyMat

public double[][] copyMat()

lu

public void lu()
        throws MatrixException

Throws:

MatrixException

inverse

public Matrix inverse()
               throws MatrixException

Throws:

MatrixException

luSolve

public static double[] luSolve(double[][] m,
                               double[] R)
                        throws MatrixException

Throws:

MatrixException

luSolve

public Column luSolve(Column r)
               throws MatrixException

Throws:

MatrixException

invert

public void invert()
            throws MatrixException

Throws:

MatrixException

lubksb

public Column lubksb(Column v)

lubksb

public double[] lubksb(double[] b)

round

public void round(double d)

round

public void round()

print

public String print()

maxAbsElt

public double maxAbsElt()

power

public Matrix power(int p)
             throws MatrixException

Throws:

MatrixException

crudeExpOf

public Matrix crudeExpOf(double t)
                  throws MatrixException

Throws:

MatrixException

expOf

public Matrix expOf(double t)
             throws MatrixException

Throws:

MatrixException

getColumn

public double[] getColumn(int ic)

ev1vec

public double[] ev1vec(int np)
                throws MatrixException

Throws:

MatrixException

multiplyBy

public void multiplyBy(double dt)

subtractIdentity

public void subtractIdentity()

negate

public void negate()

set

public void set(int i,
                int j,
                double d)

dump

public String dump()

getArray

public double[][] getArray()

getFlat

public double[] getFlat()

printDiag

public String printDiag()