71.54 LengthLexicographic

LengthLexicographic(mu, nu)

LengthLexicographic returns true if the length of mu is less than the length of nu or if the length of mu equals the length of nu and Lexicographic(mu, nu).

gap> p:=Partitions(6);;Sort(p,LengthLexicographic); p;
[ [ 6 ],[ 5, 1 ],[ 4, 2 ],[ 3, 3 ],[ 4, 1, 1 ],[ 3, 2, 1 ],[ 2, 2, 2 ],
  [ 3, 1, 1, 1 ],[ 2, 2, 1, 1 ],[ 2, 1, 1, 1, 1 ],[ 1, 1, 1, 1, 1, 1 ] ]

This function requires the package ``specht'' (see RequirePackage).

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