Skip to content

Added matrix permanent operation#13987

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
TrangOul wants to merge 3 commits into
base:master
Choose a base branch
from
Open

Added matrix permanent operation #13987

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
62b8c9f
Added matrix permanent operation
TrangOul Mar 27, 2025
411d91b
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Dec 4, 2025
f39396a
Merge branch 'master' into patch-1
TrangOul Dec 13, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions matrix/matrix_operation.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -138,6 +138,19 @@ def determinant(matrix: list[list[int]]) -> Any:
)


def permanent(matrix: list[list[int]]) -> Any:
"""
>>> permanent([[1, 2], [3, 4]])
10
>>> permanent([[1.5, 2.5], [3, 4]])
13.5
"""
if len(matrix) == 1:
return matrix[0][0]

return sum(x * permanent(minor(matrix, 0, i)) for i, x in enumerate(matrix[0]))


def inverse(matrix: list[list[int]]) -> list[list[float]] | None:
"""
>>> inverse([[1, 2], [3, 4]])
Expand DownExpand Up@@ -193,6 +206,7 @@ def main() -> None:
print(f"Identity:{identity(5)}\n")
print(f"Minor of{matrix_c} ={minor(matrix_c, 1, 2)} \n")
print(f"Determinant of{matrix_b} ={determinant(matrix_b)} \n")
print(f"Permanent of{matrix_b} ={permanent(matrix_b)} \n")
print(f"Inverse of{matrix_d} ={inverse(matrix_d)}\n")


Expand Down