ssa.d {GillespieSSA} | R Documentation |
Direct method implementation of the SSA as described by Gillespie (1977).
ssa.d(a,nu)
a |
vector of evaluated propensity functions. |
nu |
state-change matrix. |
Performs one time step using the Direct method. Intended to be invoked by ssa
.
A list with two elements, 1) the time leap (tau
) and 2) the realized state change vector (nu_j
).
Gillespie (1977)
## Not intended to be invoked stand alone