On Apr 25, 9:48 am, stargene <starg...@sbcglobal.net> wrote:
> I need to find and download one of the free numerical-analysis- > software, to solve blocks of non-linear algebraic equations. > None of the sites I've researched gives any idea of how > difficult or easy any of these systems are to actually use. I'm > hoping that some of you have experience with one or more of > these softwares and can help me out. > > Ie: Once set up, are they straightforward to use or do I need to > have a genius programmer/hacker at my elbow to continually > stay my hand from hideous error and blowing up the program?! > > I've studied some general articles on the net. Wikipedia has > > http://en.wikipedia.org/wiki/List_of_numerical_analysis_software > > which is a list of lots of the mathware that are available, like > GNU Octave, Perl Data Language and FreeMat.
Octave has simple Matlab-like syntax and the routine 'fsolve' for solving non-linear equations: