JAMA
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Packages:
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JAMA
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PHPExcel
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PHPExcel_Worksheet_Drawing
PHPExcel_Writer
PHPExcel_Writer_Excel5
PHPExcel_Writer_Excel2007


Files:
benchmark.php
CholeskyDecomposition.php
EigenvalueDecomposition.php
Error.php
LUDecomposition.php
MagicSquareExample.php
Maths.php
Matrix.php
QRDecomposition.php
SingularValueDecomposition.php

Classes:
Benchmark
CholeskyDecomposition
EigenvalueDecomposition
LUDecomposition
MagicSquareExample
Matrix
QRDecomposition
SingularValueDecomposition

Class: SingularValueDecomposition

Source Location: /PHPExcel/Shared/JAMA/SingularValueDecomposition.php

Class Overview








Author(s):


    
          
  • Paul Meagher
    • 
                  





        
        

Version:


    
  
  • 1.1
    • 



        




Variables







Methods
























Class Details



[line 20]





Tags:





  

    author:  Paul Meagher
  

  

    version:  1.1
  

  

    license:  PHP
  










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Class Variables



	
	

	
$m = 

	
[line 44]

  Row dimension.

Row dimension.


  

	

  

    

      Type:  
      int
    

      

	



	
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$n = 

	
[line 50]

  Column dimension.

Column dimension.


  

	

  

    

      Type:  
      int
    

      

	



	
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$s = array()

	
[line 38]

  Internal storage of singular values.

Internal storage of singular values.


  

	

  

    

      Type:  
      array
    

      

	



	
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$U = array()

	
[line 26]

  Internal storage of U.

Internal storage of U.


  

	

  

    

      Type:  
      array
    

      

	



	
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$V = array()

	
[line 32]

  Internal storage of V.

Internal storage of V.


  

	

  

    

      Type:  
      array
    

      

	



	
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Class Methods




  

	
	
constructor SingularValueDecomposition [line 60]

	

    

    

		Structure SingularValueDecomposition(
$A
$Arg)
    

    


	
		Construct the singular value decomposition
 Derived from LINPACK code.

Construct the singular value decomposition
 Derived from LINPACK code.





Tags:





  

    return:  to access U, S and V.
  









	
        
Parameters:

    

    

          

        $A  
        $Arg  
        Rectangular matrix
      

        

    


        
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method cond [line 482]

	

    

    

		max(S)/min(S) cond(
)
    

    


	
		Two norm condition number

Two norm condition number





Tags:





  

    access:  public
  









	
        
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method getS [line 459]

	

    

    

		S getS(
)
    

    


	
		Return the diagonal matrix of singular values

Return the diagonal matrix of singular values





Tags:





  

    access:  public
  









	
        
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method getSingularValues [line 450]

	

    

    

		diagonal getSingularValues(
)
    

    


	
		Return the one-dimensional array of singular values

Return the one-dimensional array of singular values





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    return:  of S.
  

  

    access:  public
  









	
        
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method getU [line 432]

	

    

    

		U getU(
)
    

    


	
		Return the left singular vectors

Return the left singular vectors





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    access:  public
  









	
        
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method getV [line 441]

	

    

    

		V getV(
)
    

    


	
		Return the right singular vectors

Return the right singular vectors





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    access:  public
  









	
        
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method norm2 [line 473]

	

    

    

		max(S) norm2(
)
    

    


	
		Two norm

Two norm





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    access:  public
  









	
        
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method rank [line 491]

	

    

    

		Number rank(
)
    

    


	
		Effective numerical matrix rank

Effective numerical matrix rank





Tags:





  

    return:  of nonnegligible singular values.
  

  

    access:  public
  









	
        
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		    Documentation generated on Mon, 05 Jan 2009 20:38:30 +0100 by phpDocumentor 1.4.1