Hello I would like to add comment at the beggining of the file. Do you know hot to do this ?. I use fprintfMat command. Best Regards Wojtek ---------------------------------------------------- Kiedy Doda bywa grzeczna? Kliknij http://klik.wp.pl/?adr=http%3A%2F%2Fcorto.www.wp.pl%2Fas%2Fdoda.html&sid=390