Prufer.rank() : rank() is a sympy Python library function that returns the rank of the Prufer sequence.
Syntax :
sympy.combinatorics.Prufer.prufer.rank()
Return :
rank of the Prufer sequence
Code #1 : rank() Example
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.prufer import Prufer
a = Prufer([1, 2, 3], [2, 4, 5])
print ("Prufer a rank : ", a.rank)
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Output :
Prufer a rank : 38
Code #2 : rank() Example
from sympy.combinatorics import Permutation, Cycle
from sympy.combinatorics.prufer import Prufer
b = Prufer([1, 2, 3, 2, 4, 5], [6, 7], [8])
print ("Prufer b rank : ", b.rank)
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Output :
Prufer b rank : 42661
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Last Updated :
26 Aug, 2019
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