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
-2.5
-1.5
-0.5
-1.13389e-06
-2.58199e-07
2.58199e-07
1.13389e-06
0.5
1.5
2.5
Coefficients are
Vec Object: 1 MPI process
  type: seq
-2.5
-1.5
-0.5
-1.13389e-06
-2.58199e-07
2.58199e-07
1.13389e-06
0.5
1.5
2.5