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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Percolation-Mean-run-density/J/percolation-mean-run-density.j Normal file
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NB. translation of python
NB. 'N P T' =: 100 0.5 500 NB. hypothetical example values, to aid comprehension...
newv =: (> ?@(#&0))~ NB. generate a random binary vector. Use: N newv P
runs =: {: + [: +/ 1 0&E. NB. add the tail to the sum of 1 0 occurrences Use: runs V
mean_run_density =: [ %~ [: runs newv NB. perform experiment. Use: N mean_run_density P
main =: 3 : 0 NB.Usage: main T
T =. y
smoutput' T P N P(1-P) SIM DELTA%'
for_P. 10 %~ >: +: i. 5 do.
LIMIT =. (* -.) P
smoutput ''
for_N. 2 ^ 10 + +: i. 3 do.
SIM =. T %~ +/ (N mean_run_density P"_)^:(<T) 0
smoutput 4 5j2 6 6j3 6j3 4j1 ": T, P, N, LIMIT, SIM, SIM (100 * [`(|@:(- % ]))@.(0 ~: ])) LIMIT
end.
end.
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