A class used internally to compute ClaDS's likelihood
This class represents a matrix A = (1/rowSums(Toep)) * Toep where Toep is a Toeplitz matrix.
Maliet O., Hartig F. and Morlon H. 2019, A model with many small shifts for estimating species-specific diversificaton rates, Nature Ecology and Evolution, doi 10.1038/s41559-019-0908-0
fit_ClaDS