java.lang.Object
- no.uib.cipr.matrix.AbstractVector
- - no.uib.cipr.matrix.DenseVector

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<VectorEntry>, Vector
```
public class DenseVector
extends AbstractVector
implements java.io.Serializable
```
Dense vector. Stored by a double[] array of the same length as the vector itself.

See Also:

Serialized Form

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

All Methods Instance Methods Concrete Methods
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 Detail
  - DenseVector
```
public DenseVector(MatrixVectorReader r)
            throws java.io.IOException
```
    Constructor for DenseVector
    
    Parameters:
    
    r - Reader to get vector from
    
    Throws:
    
    java.io.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 Detail
  - 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 Detail

DenseVector

DenseVector

DenseVector

DenseVector

DenseVector

DenseVector

Method Detail

set

add

get

copy

zero

scale

set

set

add

add

dot

norm1

norm2

norm2_robust

normInf

getData