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Permutations with Repetition

Tool to generate/count permutations with repetition. In Mathematics, a permutation with repetitions is an arrangement of items which can be repeated in various orders.

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Permutations with Repetition -

Tag(s) : Combinatorics, Mathematics

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# Permutations with Repetition

## Counting Permutations with Repetitions

Tool to generate/count permutations with repetition. In Mathematics, a permutation with repetitions is an arrangement of items which can be repeated in various orders.

### How to generate permutations with repetition?

Item permutations with repetition consist in the list of all possible arrangements of elements (which can be repeated) in any order.

Example: A,B,C items be shuffled in 9 couples of 2 items: A,A A,B A,C B,A B,B B,C, C,A, C,B, C,C. The order of the items do not matter.

Sets of n items are called tuples.

### How to count permutations with repetition?

Counting repeated permutations of k items in a list of N is N^k

### How to remove the limit when computing permutations?

Permutations makes exponential values witch needs huge computing servers, so the generation must be paid.