Combinatorica`

SetPartitionToRGF

converts the set partition sp of set into the corresponding restricted growth function.

更多信息和选项

To use SetPartitionToRGF, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
If the optional argument set is not specified, then it is assumed that the Wolfram Language knows the underlying order on the set for which sp is a set partition.

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