java.lang.Object

no.uib.cipr.matrix.AbstractVector

no.uib.cipr.matrix.DenseVector

All Implemented Interfaces:: Serializable, Iterable<VectorEntry>, Vector

public class DenseVector extends AbstractVector implements Serializable

Dense vector. Stored by a double[] array of the same length as the vector itself.

See Also:

Nested Class Summary

Nested classes/interfaces inherited from interface no.uib.cipr.matrix.Vector
Vector.Norm
Field Summary

Fields inherited from class no.uib.cipr.matrix.AbstractVector
size
Constructor Summary

Constructors

Constructor

Description

DenseVector(double[] x)

Constructor for DenseVector

DenseVector(double[] x, boolean deep)

Constructor for DenseVector

DenseVector(int size)

Constructor for DenseVector

DenseVector(MatrixVectorReader r)

Constructor for DenseVector

DenseVector(Vector x)

Constructor for DenseVector

DenseVector(Vector x, boolean deep)

Constructor for DenseVector
Method Summary

Modifier and Type

Method

Description

Vector

add(double alpha, Vector y)

x = alpha*y + x

void

add(int index, double value)

x(index) += value

Vector

add(Vector y)

x = y + x

DenseVector

copy()

Creates a deep copy of the vector

double

dot(Vector y)

x^T*y

double

get(int index)

Returns x(index)

double[]

getData()

Returns the internal vector contents.

protected double

norm1()

protected double

norm2()

protected double

norm2_robust()

protected double

normInf()

DenseVector

scale(double alpha)

x=alpha*x

Vector

set(double alpha, Vector y)

x=alpha*y

void

set(int index, double value)

x(index) = value

Vector

set(Vector y)

x=y

DenseVector

zero()

Zeros all the entries in the vector, while preserving any underlying structure

Methods inherited from class no.uib.cipr.matrix.AbstractVector
check, checkSize, iterator, norm, size, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Constructor Details
- DenseVector
  
  public DenseVector(MatrixVectorReader r) throws IOException
  
  Constructor for DenseVector
  
  Parameters:
  
  r - Reader to get vector from
  
  Throws:
  
  IOException
- DenseVector
  
  public DenseVector(int size)
  
  Constructor for DenseVector
  
  Parameters:
  
  size - Size of the vector
- DenseVector
  
  public DenseVector(Vector x)
  
  Constructor for DenseVector
  
  Parameters:
  
  x - Copies contents from this vector. A deep copy is made
- DenseVector
  
  public DenseVector(Vector x, boolean deep)
  
  Constructor for DenseVector
  
  Parameters:
  
  x - Copies contents from this vector
  
  deep - True for a deep copy. For a shallow copy, x must be a DenseVector
- DenseVector
  
  public DenseVector(double[] x, boolean deep)
  
  Constructor for DenseVector
  
  Parameters:
  
  x - Copies contents from this array
  
  deep - True for a deep copy. For a shallow copy, x is aliased with the internal storage
- DenseVector
  
  public DenseVector(double[] x)
  
  Constructor for DenseVector
  
  Parameters:
  
  x - Copies contents from this array in a deep copy
Method Details
- set
  
  public void set(int index, double value)
  
  Description copied from interface: Vector
  
  x(index) = value
  
  Specified by:
  
  set in interface Vector
  
  Overrides:
  
  set in class AbstractVector
- add
  
  public void add(int index, double value)
  
  Description copied from interface: Vector
  
  x(index) += value
  
  Specified by:
  
  add in interface Vector
  
  Overrides:
  
  add in class AbstractVector
- get
  
  public double get(int index)
  
  Description copied from interface: Vector
  
  Returns x(index)
  
  Specified by:
  
  get in interface Vector
  
  Overrides:
  
  get in class AbstractVector
- copy
  
  public DenseVector copy()
  
  Description copied from interface: Vector
  
  Creates a deep copy of the vector
  
  Specified by:
  
  copy in interface Vector
  
  Overrides:
  
  copy in class AbstractVector
- zero
  
  public DenseVector zero()
  
  Description copied from interface: Vector
  
  Zeros all the entries in the vector, while preserving any underlying structure
  
  Specified by:
  
  zero in interface Vector
  
  Overrides:
  
  zero in class AbstractVector
- scale
  
  public DenseVector scale(double alpha)
  
  Description copied from interface: Vector
  
  x=alpha*x
  
  Specified by:
  
  scale in interface Vector
  
  Overrides:
  
  scale in class AbstractVector
  
  Returns:
  
  x
- set
  
  public Vector set(Vector y)
  
  Description copied from interface: Vector
  
  x=y
  
  Specified by:
  
  set in interface Vector
  
  Overrides:
  
  set in class AbstractVector
  
  Returns:
  
  x
- set
  
  public Vector set(double alpha, Vector y)
  
  Description copied from interface: Vector
  
  x=alpha*y
  
  Specified by:
  
  set in interface Vector
  
  Overrides:
  
  set in class AbstractVector
  
  Returns:
  
  x
- add
  
  public Vector add(Vector y)
  
  Description copied from interface: Vector
  
  x = y + x
  
  Specified by:
  
  add in interface Vector
  
  Overrides:
  
  add in class AbstractVector
  
  Returns:
  
  x
- add
  
  public Vector add(double alpha, Vector y)
  
  Description copied from interface: Vector
  
  x = alpha*y + x
  
  Specified by:
  
  add in interface Vector
  
  Overrides:
  
  add in class AbstractVector
  
  Returns:
  
  x
- dot
  
  public double dot(Vector y)
  
  Description copied from interface: Vector
  
  x^T*y
  
  Specified by:
  
  dot in interface Vector
  
  Overrides:
  
  dot in class AbstractVector
- norm1
  
  protected double norm1()
  
  Overrides:
  
  norm1 in class AbstractVector
- norm2
  
  protected double norm2()
  
  Overrides:
  
  norm2 in class AbstractVector
- norm2_robust
  
  protected double norm2_robust()
  
  Overrides:
  
  norm2_robust in class AbstractVector
- normInf
  
  protected double normInf()
  
  Overrides:
  
  normInf in class AbstractVector
- getData
  
  public double[] getData()
  
  Returns the internal vector contents. The array indices correspond to the vector indices

Class DenseVector

Nested Class Summary

Nested classes/interfaces inherited from interface no.uib.cipr.matrix.Vector

Field Summary

Fields inherited from class no.uib.cipr.matrix.AbstractVector

Constructor Summary

Method Summary

Methods inherited from class no.uib.cipr.matrix.AbstractVector

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Constructor Details

DenseVector

DenseVector

DenseVector

DenseVector

DenseVector

DenseVector

Method Details

set

add

get

copy

zero

scale

set

set

add

add

dot

norm1

norm2

norm2_robust

normInf

getData