On Saturday, 18 October 2014 at 10:44:59 UTC, Ola Fosheim Grøstad
wrote:
On Saturday, 18 October 2014 at 08:21:47 UTC, eles wrote:
On Saturday, 18 October 2014 at 05:54:01 UTC, Ola Fosheim
Grøstad wrote:
On Saturday, 18 October 2014 at 04:35:07 UTC, Walter Bright
wrote:
Larger mantissa can help a little bit, but only a little bit.
https://en.wikipedia.org/wiki/Kahan_summation_algorithm
Kahan helps a little bit:
a = [math.pi*(n**9) for n in range(0,101)]
+[-math.pi*(n**9) for n in range(100,0,-1)]
This might simply be a case biased in favor of pairwise
summation, as numbers ar symmetric.