sensitivity wrt initial conditions: d[y(tf)]/d[y0]  d[y(tf)]/d[z0]
Vec Object: 1 MPI process
  type: seq
1.54557
4.80704e-06

 sensitivity wrt initial conditions: d[z(tf)]/d[y0]  d[z(tf)]/d[z0]
Vec Object: 1 MPI process
  type: seq
2.28429
0.000244399

 sensitivity wrt parameters: d[y(tf)]/d[mu]
-2.13118e-11

 sensivitity wrt parameters: d[z(tf)]/d[mu]
-1.29769e-10