1-D QUASIHARMONIC EXAMPLE ,SECTION 3.12.3 ,FIG.3.9
   11   10    2    1    1    2   1     2    1
         1       10.0         
    1    1    2    1
    2    2    3    1
    3    3    4    1
    4    4    5    1
    5    5    6    1
    6    6    7    1
    7    7    8    1
    8    8    9    1
    9    9  10    1
   10  10  11    1
         1            0.0
         2            1.0
         3            2.0
         4            3.0
         5            4.0
         6            5.0
         7            6.0
         8            7.0
         9            8.0
        10            9.0
        11           10.0
         1    1            0.0
        11    1            1.0
         5            0.0           0.0
       10            0.0           0.0
    1   20             1           0.5