On Tuesday 09 December 2008 07:42:55 Michael Carey wrote: > I have looked at linear regression for approximating a linear > graph, but how would I approximate a square or third order > polynomial? You may also check "interpol" and "lsquares" in /share/numeric and /share/contrib. -- Pungenday, Aftermath 51 YOLD 3174 Alexey Beshenov http://beshenov.ru/