Finding the maximum of a non-differentiable function?



Does Maxima contain within it, or does anybody have, an optimized search
method for finding the maximum value of a non-differentiable function over
an interval?

Thanks,
Alasdair

-- 
Blog: http://amca01.wordpress.com
Web:  http://sites.google.com/site/amca01/
Facebook: http://www.facebook.com/alasdair.mcandrew