Difference between revisions of "Documentation/How Tos/Calc: PERMUTATIONA function"
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Revision as of 12:26, 17 May 2010
PERMUTATIONA
Returns the number of ordered permutations, allowing repetition.
Syntax:
PERMUTATIONA(n; k)
- where n and k are integers.
- PERMUTATIONA returns the number of ordered ways that k objects can be chosen from a set of n objects, where an object can be chosen repeatedly. For example with a set of 3 objects A, B, C, we can choose 2 as follows: AA, AB, AC, BA, BB, BC, CA, CB, CC.
- PERMUTATIONA simply calculates n^{k}.
Example:
PERMUTATIONA(3; 2)
- returns 9, as in the example above.