optionally use array based time-dependence format instead of interpolation functions
optionally use array based time-dependence format instead of interpolation functions

zasdfgbnm/qutip,qutip/qutip,anubhavvardhan/qutip,cgranade/qutip,anubhavvardhan/qutip,zasdfgbnm/qutip,qutip/qutip,cgranade/qutip