Revision as of 21:28, 10 July 2007

Combinations(k,n)

"n choose k". The number of unique ways that k items can be chosen from a set of n elements (without replacement and ignoring the order).

Advanced math

Combinations(2,4) → 6

They are: {1,2}, {1,3}, {1,4}, {2,3}, {2,4}, {3,4}

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 [[category:Math Functions]]
-[[Category:Doc Status D]] <!-- For Lumina use, do not change -->
+[[Category:Doc Status C]] <!-- For Lumina use, do not change -->
-{{stub}}
+= Combinations(k,n) =
+"''n'' choose ''k''".  The number of unique ways that ''k'' items can be chosen from a set of ''n'' elements (without replacement and ignoring the order).
+= Library =
+Advanced math
+= Example =
+:Combinations(2,4) &rarr; 6
+They are: {1,2}, {1,3}, {1,4}, {2,3}, {2,4}, {3,4}
+= See Also =
+* [[Permutations]]
+* [[Factorial]]
+* [[LGamma]]