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Merged
merged 3 commits into from
Jul 14, 2020
Merged

black matrix_operation.py #2199

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10dfa00
black matrix_operation.py
cclauss Jul 13, 2020
0499c58
updating DIRECTORY.md
Jul 13, 2020
7c80bb3
Update matrix_operation.py
itsvinayak Jul 14, 2020
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7 changes: 7 additions & 0 deletions DIRECTORY.md
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
* [Knight Tour](https://github.com/TheAlgorithms/Python/blob/master/backtracking/knight_tour.py)
* [Minimax](https://github.com/TheAlgorithms/Python/blob/master/backtracking/minimax.py)
* [N Queens](https://github.com/TheAlgorithms/Python/blob/master/backtracking/n_queens.py)
* [N Queens Math](https://github.com/TheAlgorithms/Python/blob/master/backtracking/n_queens_math.py)
* [Rat In Maze](https://github.com/TheAlgorithms/Python/blob/master/backtracking/rat_in_maze.py)
* [Sudoku](https://github.com/TheAlgorithms/Python/blob/master/backtracking/sudoku.py)
* [Sum Of Subsets](https://github.com/TheAlgorithms/Python/blob/master/backtracking/sum_of_subsets.py)
Expand Down Expand Up @@ -219,6 +220,9 @@
## Fuzzy Logic
* [Fuzzy Operations](https://github.com/TheAlgorithms/Python/blob/master/fuzzy_logic/fuzzy_operations.py)

## Genetic Algorithm
* [Basic String](https://github.com/TheAlgorithms/Python/blob/master/genetic_algorithm/basic_string.py)

## Geodesy
* [Haversine Distance](https://github.com/TheAlgorithms/Python/blob/master/geodesy/haversine_distance.py)
* [Lamberts Ellipsoidal Distance](https://github.com/TheAlgorithms/Python/blob/master/geodesy/lamberts_ellipsoidal_distance.py)
Expand Down Expand Up @@ -293,6 +297,7 @@

## Machine Learning
* [Astar](https://github.com/TheAlgorithms/Python/blob/master/machine_learning/astar.py)
* [Data Transformations](https://github.com/TheAlgorithms/Python/blob/master/machine_learning/data_transformations.py)
* [Decision Tree](https://github.com/TheAlgorithms/Python/blob/master/machine_learning/decision_tree.py)
* [Gaussian Naive Bayes](https://github.com/TheAlgorithms/Python/blob/master/machine_learning/gaussian_naive_bayes.py)
* [Gradient Descent](https://github.com/TheAlgorithms/Python/blob/master/machine_learning/gradient_descent.py)
Expand Down Expand Up @@ -402,6 +407,7 @@
* [Square Root](https://github.com/TheAlgorithms/Python/blob/master/maths/square_root.py)
* [Sum Of Arithmetic Series](https://github.com/TheAlgorithms/Python/blob/master/maths/sum_of_arithmetic_series.py)
* [Sum Of Digits](https://github.com/TheAlgorithms/Python/blob/master/maths/sum_of_digits.py)
* [Sum Of Geometric Progression](https://github.com/TheAlgorithms/Python/blob/master/maths/sum_of_geometric_progression.py)
* [Test Prime Check](https://github.com/TheAlgorithms/Python/blob/master/maths/test_prime_check.py)
* [Trapezoidal Rule](https://github.com/TheAlgorithms/Python/blob/master/maths/trapezoidal_rule.py)
* [Volume](https://github.com/TheAlgorithms/Python/blob/master/maths/volume.py)
Expand Down Expand Up @@ -680,6 +686,7 @@
* [Crawl Google Results](https://github.com/TheAlgorithms/Python/blob/master/web_programming/crawl_google_results.py)
* [Current Stock Price](https://github.com/TheAlgorithms/Python/blob/master/web_programming/current_stock_price.py)
* [Current Weather](https://github.com/TheAlgorithms/Python/blob/master/web_programming/current_weather.py)
* [Daily Horoscope](https://github.com/TheAlgorithms/Python/blob/master/web_programming/daily_horoscope.py)
* [Emails From Url](https://github.com/TheAlgorithms/Python/blob/master/web_programming/emails_from_url.py)
* [Fetch Bbc News](https://github.com/TheAlgorithms/Python/blob/master/web_programming/fetch_bbc_news.py)
* [Fetch Github Info](https://github.com/TheAlgorithms/Python/blob/master/web_programming/fetch_github_info.py)
Expand Down
14 changes: 5 additions & 9 deletions matrix/matrix_operation.py
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Expand Up @@ -101,8 +101,8 @@ def minor(matrix: List[list], row: int, column: int) -> List[list]:
>>> minor([[1, 2], [3, 4]], 1, 1)
[[1]]
"""
minor = matrix[:row] + matrix[row + 1:]
return [row[:column] + row[column + 1:] for row in minor]
minor = matrix[:row] + matrix[row + 1 :]
return [row[:column] + row[column + 1 :] for row in minor]


def determinant(matrix: List[list]) -> int:
Expand Down Expand Up @@ -155,8 +155,7 @@ def _shape(matrix: List[list]) -> list:
return list((len(matrix), len(matrix[0])))


def _verify_matrix_sizes(
matrix_a: List[list], matrix_b: List[list]) -> Tuple[list]:
def _verify_matrix_sizes(matrix_a: List[list], matrix_b: List[list]) -> Tuple[list]:
shape = _shape(matrix_a)
shape += _shape(matrix_b)
if shape[0] != shape[2] or shape[1] != shape[3]:
Expand All @@ -170,12 +169,9 @@ def _verify_matrix_sizes(
def main():
matrix_a = [[12, 10], [3, 9]]
matrix_b = [[3, 4], [7, 4]]
matrix_c = [[11, 12, 13, 14], [21, 22, 23, 24],
[31, 32, 33, 34], [41, 42, 43, 44]]
matrix_c = [[11, 12, 13, 14], [21, 22, 23, 24], [31, 32, 33, 34], [41, 42, 43, 44]]
matrix_d = [[3, 0, 2], [2, 0, -2], [0, 1, 1]]
print(
f"Add Operation, {matrix_a} + {matrix_b} ="
f"{add(matrix_a, matrix_b)} \n")
print(f"Add Operation, {matrix_a} + {matrix_b} =" f"{add(matrix_a, matrix_b)} \n")
print(
f"Multiply Operation, {matrix_a} * {matrix_b}",
f"= {multiply(matrix_a, matrix_b)} \n",
Expand Down