[ROOT] Problem with TVectorD printing between 3.01/05 and 3.03/08 versions

From: Xavier CAMARD (camard@subatech.in2p3.fr)
Date: Fri Nov 29 2002 - 12:25:43 MET 

	I'm using TPrincipal class in data analysis with root version
3.01/05. I'm storing my TPrincipal object in a file, which you can load
here :

http://www.phenix.bnl.gov/~camard/rootobject/

This file is called principal.root.

	When I want to print the PCA result via
"principal->Print("MSEV")", with root version 3.01/05, the result is the
following :

root [0] TFile f("principal.root")
root [1] .ls
TFile**		principal.root	
 TFile*		principal.root	
  KEY: TPrincipal	principal;1	
root [2] principal->Print("MSEV")
 Variable #  | Mean Value |   Sigma    | Eigenvalue
-------------+------------+------------+------------
           1 |      5.437 |      1.601 |     0.7393 
           2 |      4.686 |      7.723 |     0.1798 
           3 |     0.5313 |      0.172 |     0.0809 

Eigenvector # 1
Vector 3 is as follows

     |        1  |
------------------
   1 |    -0.6107 
   2 |    -0.5912 
   3 |     0.5268 

Eigenvector # 2
Vector 3 is as follows

     |        1  |
------------------
   1 |     -0.264 
   2 |    -0.4753 
   3 |    -0.8393 

Eigenvector # 3
Vector 3 is as follows

     |        1  |
------------------
   1 |     0.7466 
   2 |    -0.6516 
   3 |     0.1342 

root [3] .q

	And as you can see, everything is correct. But when I want to do
exactly the same thing with the version 3.03/08, I see a problem :

root [0] TFile f("principal.root")                                
root [1] .ls
TFile**		principal.root	
 TFile*		principal.root	
  KEY: TPrincipal	principal;1	
root [2] principal->Print("MSEV")
 Variable #  | Mean Value |   Sigma    | Eigenvalue
-------------+------------+------------+------------
           0 Error in <TVectorD::operator()>: requested element 0 is out
of vector boundaries [1,3]
|          0 Error in <TVectorD::operator()>: requested element 0 is out
of vector boundaries [1,3]
|          0 Error in <TVectorD::operator()>: requested element 0 is out
of vector boundaries [1,3]
|          0 
           1 |      5.437 |      1.601 |     0.7393 
           2 |      4.686 |      7.723 |     0.1798 

Eigenvector # 0Error in <TMatrixDColumn::TMatrixDColumn>: column #0 is not
within the matrix
Error in <TVectorD::operator=(const TMatrixDColumn&)>: can't assign a
column of the matrix to the vector

Vector 3 is as follows

     |        1  |
------------------
   0 |          0 
   1 |          0 
   2 |          0 

Eigenvector # 1Error in <TVectorD::operator=(const
TMatrixDColumn&)>: can't assign a column of the matrix to the vector

Vector 3 is as follows

     |        1  |
------------------
   0 |          0 
   1 |          0 
   2 |          0 

Eigenvector # 2Error in <TVectorD::operator=(const
TMatrixDColumn&)>: can't assign a column of the matrix to the vector

Vector 3 is as follows

     |        1  |
------------------
   0 |          0 
   1 |          0 
   2 |          0 

root [3] .q

	I don't know what to do to print the good result with root version
3.03/08.

	Thank you.

* Xavier CAMARD                                          *
* SUBATECH, Ecole des Mines de Nantes                    *
* 4, rue Alfred Kastler                                  *
* BP 20722 - 44307 Nantes Cedex 03                       *
* e-mail:  camard@subatech.in2p3.fr                      *
* tel:(33)(0)2 51 85 84 65 (France)                      *
* fax:(33)(0)2 51 85 84 24 (France)                      *

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