JAMA
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Packages:
PHPExcel
com-tecnick-tcpdf
JAMA
Math_Stats
PHPExcel_CachedObjectStorage
PHPExcel_Calculation
PHPExcel_Cell
PHPExcel_Reader
PHPExcel_Reader_Excel5
PHPExcel_Reader_Excel2007
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PHPExcel_Shared_OLE
PHPExcel_Shared_ZipArchive
PHPExcel_Style
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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
MagicSquareExample
PHPExcel_Shared_JAMA_LUDecomposition
PHPExcel_Shared_JAMA_Matrix
PHPExcel_Shared_JAMA_QRDecomposition
SingularValueDecomposition

Class: SingularValueDecomposition

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

Class Overview








Author(s):


    
          
  • Paul Meagher
    • 
                  





        
        

Version:


    
  
  • 1.1
    • 



        






Methods
























Class Details



[line 20]





Tags:





  

    author:  Paul Meagher
  

  

    version:  1.1
  

  

    license:  PHP
  










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Class Methods




  

	
	
constructor __construct [line 61]

	

    

    

		Structure __construct(
$A
$Arg)
    

    


	
		Construct the singular value decomposition

Derived from LINPACK code.





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    return:  to access U, S and V.
  

  

    access:  public
  









	
        
Parameters:

    

    

          

        $A  
        $Arg  
        Rectangular matrix
      

        

    


        
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method cond [line 503]

	

    

    

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

    


	
		Two norm condition number





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    access:  public
  









	
        
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method getS [line 475]

	

    

    

		S getS(
)
    

    


	
		Return the diagonal matrix of singular values





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    access:  public
  









	
        
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method getSingularValues [line 464]

	

    

    

		diagonal getSingularValues(
)
    

    


	
		Return the one-dimensional array of singular values





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    return:  of S.
  

  

    access:  public
  









	
        
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method getU [line 442]

	

    

    

		U getU(
)
    

    


	
		Return the left singular vectors





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    access:  public
  









	
        
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method getV [line 453]

	

    

    

		V getV(
)
    

    


	
		Return the right singular vectors





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    access:  public
  









	
        
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method norm2 [line 492]

	

    

    

		max(S) norm2(
)
    

    


	
		Two norm





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method rank [line 514]

	

    

    

		Number rank(
)
    

    


	
		Effective numerical matrix rank





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    return:  of nonnegligible singular values.
  

  

    access:  public
  









	
        
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		    Documentation generated on Sun, 27 Feb 2011 16:33:54 -0800 by phpDocumentor 1.4.3