Implements Update_MYt for the trivial (forced emergence) model.
Usage
# S3 method for class 'trivial'
Update_MYt(t, y, xds_obj, s)
Implements Update_MYt for the trivial (forced emergence) model.
# S3 method for class 'trivial'
Update_MYt(t, y, xds_obj, s)