EXEMPLE DE MATRICE A SAISIR : le 4 fait partie de la saisie.

4
Seq_A      0.0    8.0    8.0  14.0
Seq_B      8.0    0.0    2.0  14.0
Seq_C      8.0    2.0    0.0  14.0
Seq_D     14.0   14.0   14.0   0.0

ON DEVRAIT OBTENIR COMME RESULTAT EN NJ

       4 Populations

     Neighbor-Joining/UPGMA method version 3.572c
     Neighbor-joining method

      Negative branch lengths allowed

                       +----Seq_B
       +---------------1
       !               +----Seq_C
       !
     --2------------------------------------------------------Seq_D
       !
       +---------------------Seq_A

     remember: this is an unrooted tree!

     Between        And            Length
     -------        ---            ------
        2             1              3.00000
        1          Seq_B             1.00000
        1          Seq_C             1.00000
        2          Seq_D            10.00000
        2          Seq_A             4.00000

     Trees in tree file:
        ((Seq_B:1.00000,Seq_C:1.00000):3.00000,Seq_D:10.00000,Seq_A:4.00000);

ON DEVRAIT OBTENIR COMME RESULTAT EN UPGMA

        4 Populations

     Neighbor-Joining/UPGMA method version 3.572c
     UPGMA method

      Negative branch lengths allowed

                              +-----------------------------Seq_A
       +----------------------2
       !                      !                      +-------Seq_B
     --3                      +----------------------1
       !                                             +-------Seq_C
       !
       +----------------------------------------------------Seq_D


     Between        And            Length
     -------        ---            ------
        3             2              3.00000
        2          Seq_A             4.00000
        2             1              3.00000
        1          Seq_B             1.00000
        1          Seq_C             1.00000
        3          Seq_D             7.00000

      Trees in tree file:

     ((Seq_A:4.00000,(Seq_B:1.00000,Seq_C:1.00000):3.00000):3.00000,Seq_D:7.00000);