Note: You can modify the matlab programs. You can see what the matlab routines are doing by looking at the matlab m-files. To do this change directory using: cd /software; cd matlab; cd distribution; cd toolbox; cd optim. In particular, there is an m-file called bandemo.m.
author = "B.H. POURCIAU", title = "Modern multiplier methods", journal = "American Mathematical Monthly", year = "1980", volume = "87", number = "6", pages = "433-451"}This paper is available on campus using JSTOR, e.g. try the link http://www.jstor.org/cgi-bin/jstor/listjournal/00029890/di991653?config=jstor&frame=frame&userIDfirstname.lastname@example.org/01cc99331a0050473801&dpi=3