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- An Alternative is to use acceptance-rejection to find a set M
of events j with ``weight 1.'' Then
- When is Equation (39) superior to Equation (38)?
- If you are just calculating
, then (38)
contains all the information you have and is ``best.''
- However, if you are doing a lot of work to calculate
,
or maybe there are many different quantities 
,
the accept-reject technique is best.
- Thus, it is clearly a waste to spend a lot of time calculating
for an event whose weight 
is small, e.g., 0.001
!
Geoffrey Fox, Northeast Parallel Architectures Center at Syracuse University, gcf@npac.syr.edu