Extracts a probability transition matrix.
## S3 method for class 'depmix.fitted'trmat ( d )
Object of class depmix.fitted.
trmat returns an the probability transition matrix as an object of class matrix.
The function trmat extracts the probability transition matrix from a depmix.fitted object and returns it as a matrix. trmat is used internally by the function trmatplot.depmix.fitted in order to extract the probability transition matrix to be plotted.