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CombinatoricsGenerateVariation(Int32, Int32, Random) Method

Generate a random variation, without repetition, by randomly selecting k of n elements with order. Implemented using partial Fisher-Yates Shuffling.

Namespace: Altaxo.Calc
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public static int[] GenerateVariation(
	int n,
	int k,
	Random randomSource = null
)

Parameters

n  Int32
Number of elements in the set.
k  Int32
Number of elements to choose from the set. Each element is chosen at most once.
randomSource  Random  (Optional)
The random number generator to use. Optional; the default random source will be used if null.

Return Value

Int32
An array of length K that contains the indices of the selections as integers of the interval [0, N).
See Also