java.lang.Object
- org.lemsml.jlems.core.run.Matrix

All Implemented Interfaces:: java.lang.Cloneable

public final class Matrix
extends java.lang.Object
implements java.lang.Cloneable

Field Summary

Fields
Modifier and Type	Field	Description
`private double[][]`	`a`
`private int`	`n`
`private int`	`n1`
`private int`	`n2`
`private int[]`	`perm`
`private int`	`sign`
`private double[]`	`ws`

Constructor Summary

Constructors
Constructor Description

Matrix(double[][] a)

Matrix(int nnn)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	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()`
`java.lang.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()`
`double[]`	`lubksb(double[] b)`
`Column`	`lubksb(Column v)`
`static double[]`	`luSolve(double[][] m, double[] R)`
`Column`	`luSolve(Column 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)`
`java.lang.String`	`print()`
`java.lang.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(java.lang.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

Field Detail

a
```
private double[][] a
```

ws
```
private double[] ws
```

n
```
private final int n
```

perm
```
private int[] perm
```

sign
```
private int sign
```

n1
```
private int n1
```

n2
```
private int n2
```

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(java.lang.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 java.lang.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 java.lang.String dump()
```

getArray
```
public double[][] getArray()
```

getFlat
```
public double[] getFlat()
```

printDiag
```
public java.lang.String printDiag()
```

Constructors
Constructor	Description
`Matrix(double[][] a)`
`Matrix(int nnn)`

Class Matrix

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

a

ws

n

perm

sign

n1

n2

Constructor Detail

Matrix

Matrix

Method Detail

getData

flatten

sysPrint

dim

copy

setDims

identise

zero

identity

add

average

average

add

sum

mpyBy

mpyBy

prod

lvprod

times

rvprod

multiplyInto

rect2rvprod

rvprodOneElt

transpose

det

copyMat

lu

inverse

luSolve

luSolve

invert

lubksb

lubksb

round

round

print

maxAbsElt

power

crudeExpOf

expOf

getColumn

ev1vec

multiplyBy

subtractIdentity

negate

set

dump

getArray

getFlat

printDiag