org.akutan.optimization.entropy
Class EConsVector

java.lang.Object
  org.akutan.optimization.entropy.EConsVector

All Implemented Interfaces:

java.lang.Cloneable

public class EConsVector
extends java.lang.Object
implements java.lang.Cloneable

This class encapsulates the assignment and structure of the various subcomponents of the interior point method solution. The Vector is broken out into x solution vector y lagrange multipliers for all constraints w slack vector for inquality constraints z dual variables for solution vector

Field Summary

protected int	_w1offset
protected int	_w1width
protected int	_w2offset
protected int	_w2width
protected int	_xoffset
protected int	_xwidth
protected int	_y0offset
protected int	_y0width
protected int	_y1offset
protected int	_y1width
protected int	_y2offset
protected int	_y2width
protected int	_zoffset
protected int	_zwidth

Constructor Summary

EConsVector(int uw, int vw, int xw)
Constructs

Method Summary

void	add(cern.colt.matrix.DoubleMatrix1D x) Called to add a vector to this one
java.lang.Object	clone() Provides a deep copy of the object
cern.colt.matrix.DoubleMatrix1D	get() Called to get access to the contents expressed as a 1D vector
cern.colt.matrix.DoubleMatrix1D	getW1() Called to return the w1 vector The w1 vector is the slack vector.
cern.colt.matrix.DoubleMatrix1D	getW2() Called to return the w2 vector
cern.colt.matrix.DoubleMatrix1D	getX() Called to get access to the x vector
cern.colt.matrix.DoubleMatrix1D	getY0() Called to return the y0 vector
cern.colt.matrix.DoubleMatrix1D	getY1() Called to return the y1 vector
cern.colt.matrix.DoubleMatrix1D	getY2() Called to return the y2 vector, y2 is the lagrange multiplier for
cern.colt.matrix.DoubleMatrix1D	getZ() Called to return the Z vector
EConsVector	negate() Called to negate a DConsVector, copies the vector, negates the copy and then returns the negated copy.
int	rows() Returns the size of the wrapper DoubleMatrix1D
void	setW1(double w1) Called to set the w1 vector to a constant
void	setW1(cern.colt.matrix.DoubleMatrix1D w1) Called to set the w1 vector
void	setW2(double w2) Called to set the w2 vector to a constant
void	setW2(cern.colt.matrix.DoubleMatrix1D w2) Called to set the w2 vector
void	setX(double cons) Called to set all x values equal to cons
void	setX(cern.colt.matrix.DoubleMatrix1D x) Called to set all x values from a vector
void	setY0(double cons) Called to set all y0 values equal to cons
void	setY0(cern.colt.matrix.DoubleMatrix1D y0) Called to set all y0 values from a vector
void	setY1(double cons) Called to set all y1 values equal to cons
void	setY1(cern.colt.matrix.DoubleMatrix1D y1) Called to set all y1 values from a vector
void	setY2(double cons) Called to set all y2 values equal to cons
void	setY2(cern.colt.matrix.DoubleMatrix1D y2) Called to set all y2 values from a vector
void	setZ(double z) Called to set the z vector to a constant
void	setZ(cern.colt.matrix.DoubleMatrix1D z) Called to set the z vector
java.lang.String	toString() Formats the object as a String, delegates to the underlying vector

Methods inherited from class java.lang.Object

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

Field Detail

_xwidth

protected int _xwidth

_y0width

protected int _y0width

_y1width

protected int _y1width

_y2width

protected int _y2width

_w1width

protected int _w1width

_w2width

protected int _w2width

_zwidth

protected int _zwidth

_xoffset

protected final int _xoffset

See Also:

Constant Field Values

_y0offset

protected int _y0offset

_y1offset

protected int _y1offset

_y2offset

protected int _y2offset

_w1offset

protected int _w1offset

_w2offset

protected int _w2offset

_zoffset

protected int _zoffset

Constructor Detail

EConsVector

public EConsVector(int uw,
                   int vw,
                   int xw)

Constructs

Parameters:

uw - Number of equality constraints

vw - Number of inequality constraints

xw - Number of variables in the solution vector

Method Detail

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Provides a deep copy of the object

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException

See Also:

Object.clone()

setX

public void setX(double cons)

Called to set all x values equal to cons

Parameters:

cons -

setX

public void setX(cern.colt.matrix.DoubleMatrix1D x)

Called to set all x values from a vector

Parameters:

x -

getX

public cern.colt.matrix.DoubleMatrix1D getX()

Called to get access to the x vector

Returns:

The x vector inside

setY0

public void setY0(double cons)

Called to set all y0 values equal to cons

Parameters:

cons -

setY0

public void setY0(cern.colt.matrix.DoubleMatrix1D y0)

Called to set all y0 values from a vector

Parameters:

y0 -

getY0

public cern.colt.matrix.DoubleMatrix1D getY0()

Called to return the y0 vector

Returns:

The y0 vector

setY1

public void setY1(double cons)

Called to set all y1 values equal to cons

Parameters:

cons -

setY1

public void setY1(cern.colt.matrix.DoubleMatrix1D y1)

Called to set all y1 values from a vector

Parameters:

y1 -

getY1

public cern.colt.matrix.DoubleMatrix1D getY1()

Called to return the y1 vector

Returns:

The y1 vector

setY2

public void setY2(double cons)

Called to set all y2 values equal to cons

Parameters:

cons -

setY2

public void setY2(cern.colt.matrix.DoubleMatrix1D y2)

Called to set all y2 values from a vector

Parameters:

y2 -

getY2

public cern.colt.matrix.DoubleMatrix1D getY2()

Called to return the y2 vector, y2 is the lagrange multiplier for

Returns:

The y2 vector

setW1

public void setW1(double w1)

Called to set the w1 vector to a constant

Parameters:

w1 - constant to set w equal to

setW1

public void setW1(cern.colt.matrix.DoubleMatrix1D w1)

Called to set the w1 vector

Parameters:

w1 - Vector of slack variables for inequality constraints

getW1

public cern.colt.matrix.DoubleMatrix1D getW1()

Called to return the w1 vector The w1 vector is the slack vector.

Returns:

The w1 vector

setW2

public void setW2(double w2)

Called to set the w2 vector to a constant

Parameters:

w2 - constant to set w equal to

setW2

public void setW2(cern.colt.matrix.DoubleMatrix1D w2)

Called to set the w2 vector

Parameters:

w2 - Vector of slack variables for inequality constraints

getW2

public cern.colt.matrix.DoubleMatrix1D getW2()

Called to return the w2 vector

Returns:

The w2 vector

setZ

public void setZ(double z)

Called to set the z vector to a constant

Parameters:

z - Vector of complementary variables for x

setZ

public void setZ(cern.colt.matrix.DoubleMatrix1D z)

Called to set the z vector

Parameters:

z - Vector of variables

getZ

public cern.colt.matrix.DoubleMatrix1D getZ()

Called to return the Z vector

Returns:

Vector of z values

get

public cern.colt.matrix.DoubleMatrix1D get()

Called to get access to the contents expressed as a 1D vector

Returns:

Returns a copy of the embedded vector

negate

public EConsVector negate()

Called to negate a DConsVector, copies the vector, negates the copy and then returns the negated copy.

Returns:

Negated copy of the vector

rows

public int rows()

Returns the size of the wrapper DoubleMatrix1D

Returns:

The size of the total vector

add

public void add(cern.colt.matrix.DoubleMatrix1D x)

Called to add a vector to this one

Parameters:

x -

toString

public java.lang.String toString()

Formats the object as a String, delegates to the underlying vector

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()