R Under development (unstable) (2023-11-06 r85483 ucrt) -- "Unsuffered Consequences"
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> library(kappalab)
Loading required package: lpSolve
Loading required package: quadprog
Loading required package: kernlab
> 
> a <- Mobius.card.set.func(rnorm(13,3,4))
> stopifnot(abs(a@data - Mobius(zeta(a))@data) < 1e-6)
> stopifnot(abs(a@data - as.Mobius.card.set.func(as.Mobius.set.func(a))@data) < 1e-6)
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   0.56    0.04    0.59