On Tue, Feb 04, 2003 at 15:22:03 +0100, Dag-Erling Smorgrav wrote:
> 
> Yes we do.  We get a better sequence for any given seed, i.e. we get
> less correlation between n and x(n) for any given x(0).  I don't think
> it changes much for long sequences, but we get a better distribution
> for short sequences (including short subsequences of long sequences).

Maybe, I am not sure here, we need to ask expert.

> As for patterns in the lower bits, we should try with a != 0 and see
> how that affects the results.  I believe the purpose of a in the LCG
> algorithm is to scramble the lower bits.

a != 0 eliminates 0 stuck problem, no additional visible effects. Even 
with a != 0 values are monotonically increased, I try with 
a == 123459876

0: 123459876
1: 185549787
2: 247639698
3: 309729609
4: 371819520
5: 433909431
6: 495999342
7: 558089253
8: 620179164
9: 682269075


-- 
Andrey A. Chernov
http://ache.pp.ru/

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