incidence_matrix_actualization_factors
computes a ntaxa x nedges matrix of the
(1 - exp(-alpha * (t_i - t_pa(j) - nu_j * l_j)))_i tip, j node.
This matrix is to be multiplied to the incidence matrix with an outer product.
incidence_matrix_actualization_factors(tree, selection.strength, relativeTimes_tree = 0, times_shared = compute_times_ca(tree))
compute_times_ca
.