On Mon, Jun 1, 2009 at 7:33 PM, <rwg@sdf.lonestar.org> wrote:
Matrix products efficiently subsume nearly all sums, continued fractions, and higher recurrences. �My path-invariant calculus of them is my one great public relations failure. �I hope I can turn you both onto it.
Link? -- Mike Stay - metaweta@gmail.com http://math.ucr.edu/~mike http://reperiendi.wordpress.com
http://gosper.org/stanfordn1.dvi http://gosper.org/stanfordn2.dvi http://gosper.org/stanfordn3.dvi http://gosper.org/stanfordn4.dvi
plus innumerable posts to this list. --rwg
I seem to recall that for the older kid I once path-transformed sum(1/n^2) into the series for 6 asin(1/2)^2, which should have greatly pleased old Bernoulli. Damned if I can find it though. I'll rederive it if there's interest. (Bleeping Yahoo won't let me search oldish mail.) --rwg