Hi, does anybody can suggest a simple methods to identify ode parameters with scilab thanks in advance maso -- Maso Ricci Ph.D. Dipartimento Farmaco Chimico Tecnologico Università degli Studi di Siena Via A. Moro, 2 53100 Siena ITALY Tel: +39 0577 234367 Fax: +39 0577 234177 email: ricci2 at unisi.it