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Built-in Functions
Mathematical Functions
Combinatorial
StirlingS2
Usage
•
StirlingS2[
n
,
m
]
gives the Stirling number of the second kind
.
Notes
• Integer mathematical function (see Section
A.3.10
).
•
gives the number of ways of partitioning a set of
elements into
non-empty subsets.
• See
Section 3.2.6
.
• See also:
StirlingS1
.
• New in Version 1.
Further Examples
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Usage
. 
gives the number of ways of partitioning a set of 
elements into 
non-empty subsets. 
