28 Jan
2003
28 Jan
'03
7:34 p.m.
On Tue, Jan 28, 2003 at 01:29:15PM -0700, Don Reble wrote:
0 1 2 3 4 5 --------------------------------------- 0 | 1 1 1 1 1 1 | -1 0 1/2 3/4 7/8 15/16 2 | -1 -1/2 0 3/8 5/8 25/32 3 | -1 -3/4 -3/8 0 5/16 35/64 4 | -1 -7/8 -5/8 -5/16 0 35/128 5 | -1 -15/16 -25/32 -35/64 -35/128 0
When you're at the state (R,C), bet (R-1,C)-(R,C) (which equals (R,C)-(R,C-1)).
... which equals (R-1 choose R+C-2)/2^(R+C-2). (The parametrization is nicer if you use (R-1,C-1). --Dylan