Transfer function matrix of a compartmental model. A program for the rapid writing of its symbolic expression

A method for the fast writing of the symbolic expression of the transfer function matrix of a compartmental model has been implemented on a FORTRAN G program. Special care has been devoted to the reduction of computations and memory by means of original subroutines. The program input is very simple and the output very clear to general users. The program may be employed for the study of all input-output relations of he considered compartmental model. Details on the computational methods adopted for its implementation are given. Application examples are reported.