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Jul 20, 2022, updated at Jul 28, 2022 (UTC)
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Permutation matrix multiplication in Python
I'm a beginner in Python and i think i cannot seem to understand it well, so wanted to understand the concept of Permutation matrices. A and B are square and contain only a single 1 in each row. All of the rows are unique. I've added my first attempt as an answer.
I hope someone has a faster solution to this. Thanks in advance!
def permmult(a, b):
"""Multiply two permutation matrices.
a,b: lists of positive integers and zero."""
c =
for row in a:
c.append(b[-row])
return cI hope someone has a faster solution to this. Thanks in advance!
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1 Comment
Hi,
I think you should have a look at itertools: https://docs.python.org/3/library/itertools.html
max
I think you should have a look at itertools: https://docs.python.org/3/library/itertools.html
import itertools
print(list(itertools.permutations([1,2,3])))max
