PartialSingularValueDecompositionFactory (Carrot2, Public Java API v4.0.0 (org.carrot2:core))

java.lang.Object
- org.carrot2.attrs.AttrComposite
- - org.carrot2.math.matrix.PartialSingularValueDecompositionFactory

All Implemented Interfaces:

AcceptingVisitor, MatrixFactorizationFactory
```
public class PartialSingularValueDecompositionFactory
extends AttrComposite
implements MatrixFactorizationFactory
```
Performs matrix factorization using the Singular Value Decomposition algorithm.

Field Summary

Fields
Modifier and Type Field Description

protected static int DEFAULT_K
The default desired number of base vectors

protected int k
The desired number of base vectors
- Fields inherited from class org.carrot2.attrs.AttrComposite
  attributes

Constructor Summary

Constructors
Constructor Description

PartialSingularValueDecompositionFactory()
Creates the factory that creates factorizations that compute the maximum number of base vectors.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`MatrixFactorization`	`factorize(org.carrot2.math.mahout.matrix.DoubleMatrix2D A)`	Factorizes matrix `A`.
`int`	`getK()`	Returns the number of base vectors k .
`void`	`setK(int k)`	Sets the number of base vectors k .

Methods inherited from class org.carrot2.attrs.AttrComposite
accept

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

Methods inherited from interface org.carrot2.attrs.AcceptingVisitor
accept

- Field Detail
  - k
```
protected int k
```
    The desired number of base vectors
  - DEFAULT_K
```
protected static final int DEFAULT_K
```
    The default desired number of base vectors
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - PartialSingularValueDecompositionFactory
```
public PartialSingularValueDecompositionFactory()
```
    Creates the factory that creates factorizations that compute the maximum number of base vectors.
- Method Detail
  - factorize
```
public MatrixFactorization factorize(org.carrot2.math.mahout.matrix.DoubleMatrix2D A)
```
    Description copied from interface: MatrixFactorizationFactory
    
    Factorizes matrix A.
    
    Specified by:
    
    factorize in interface MatrixFactorizationFactory
    
    Parameters:
    
    A - matrix to be factorized.
  - setK
```
public void setK(int k)
```
    Sets the number of base vectors k .
    
    Parameters:
    
    k - the number of base vectors
  - getK
```
public int getK()
```
    Returns the number of base vectors k .