Inflate model state, so that additional strain compartments are created but zerod. Use this to run the model for a while, then set it up to work with new strains.
inflate_state_strains(state1, info1, info2)The state matrix with one strain
The model info with one strain (or a dust model object)
The model info with two strains (or a dust model object)
An expanded model state with two strains