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Ingy döt Net 2015-02-20 09:02:09 -05:00
parent 00a190b0a6
commit 91df62d461
5697 changed files with 93386 additions and 804 deletions
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Task/Combinations-and-permutations/Mathematica/combinations-and-permutations-1.math Normal file
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ClearAll[Combination,Permutation]
Combination[n_,k_]:=Binomial[n,k]
Permutation[n_,k_]:=Binomial[n,k]k!
TableForm[Array[Permutation,{12,12}],TableHeadings->{Range[12],Range[12]}]
TableForm[Array[Combination,{6,6},{{10,60},{10,60}}],TableHeadings->{Range[10,60,10],Range[10,60,10]}]
{Row[{#,"P",#-2}," "],N@Permutation[#,#-2]}&/@{5,1000,5000,10000,15000}//Grid
{Row[{#,"C",#/2}," "],N@Combination[#,#/2]}&/@Range[100,1000,100]//Grid

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Task/Combinations-and-permutations/Mathematica/combinations-and-permutations-2.math Normal file
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Permutation[200000, 100000]