compute_variance_covariance.scOU
computes the (n+m)*p squared variance covariance
matrix of vec(X).
compute_variance_covariance.scOU(
times_shared,
distances_phylo,
params_old,
...
)
matrix of variance covariance for the scOU
times of shared ancestry of all nodes and tips, result of function
compute_times_ca
(matrix) : phylogenetic distance, result of function
compute_dist_phy
(list) : old parameters to be used in the E step