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D.5.2.56 partUnder
Procedure from librarychern.lib (see chern_lib).
- Usage:
- partUnder(J); J list of integers (partition)
- Return:
- list of lists
- Purpose:
- computes the partitions under a given one
- Note:
LIB "chern.lib"; // Partitions under the partition (0, 1, 1) list I = 0, 1, 1; print( partUnder(I) ); ==> [1]: ==> [1]: ==> 0 ==> [2]: ==> 0 ==> [3]: ==> 0 ==> [2]: ==> [1]: ==> 0 ==> [2]: ==> 0 ==> [3]: ==> 1 ==> [3]: ==> [1]: ==> 0 ==> [2]: ==> 1 ==> [3]: ==> 1 |