Examples

To print the memory requirements associated with input system.prm
$ phi system.prm memory

To integrate input system.prm using 4 threads with Runga-Kutta 4:
$ phi system.prm rk4 4

To calculate the steady state of system.prm using 4 threads:
$ phi system.prm steadystate 4

An example input for a two-level system can be found in
phi-source/examples/TwoLevelSystem