Computes a p by p matrix describing parasite dispersal from infecteds (columns)
to infectees (rows).
$$\mathcal{Z} = e^{-\Omega\tau} \cdot \mbox{diag}\left( \frac{fq M}{W} \right) \cdot {\cal D} \cdot fq\Omega^{-1}$$
metric_calZ(Omega, tau, f, q, M, W, calD)the mosquito demography matrix
duration of the extrinsic incubation period
the feeding rate
fraction of bloodmeals taken on humans
size of mosquito population in each patch
ambient human population at each patch
parasite dispersal by humans matrix (see metric_calD)
a numeric matrix