Training target vector is
Vec Object: 1 MPI process
  type: seq
-4.5
-3.5
-2.5
-1.5
-0.5
0.5
1.5
2.5
3.5
4.5
Predicted values are
Vec Object: 1 MPI process
  type: seq
-1.5
-1.16667
-0.833333
-0.5
-0.166667
0.166667
0.5
0.833333
1.16667
1.5
Coefficients are
Vec Object: 1 MPI process
  type: seq
-1.5
-1.16667
-0.833333
-0.5
-0.166667
0.166667
0.5
0.833333
1.16667
1.5