This method dispatches on the type of model$mosquito
compute_q(model, W, Wd, B)a vector of length p giving the proportion of bites taken on human hosts in each patch
an object from make_MicroMoB
a vector of length p giving human availability by patch (\(W\))
a vector of length p giving visitor availability by patch (\(W_{\delta}\))
a vector of length p giving total blood host availability by patch (\(B\))