37 lines
703 B
Python
37 lines
703 B
Python
|
import numpy as np
|
||
|
|
|
||
|
|
|
||
|
|
def cot(x: float) -> float:
|
||
|
|
"""Cotangeante of x
|
||
|
|
|
||
|
|
Args:
|
||
|
|
x (float): angle
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
float: cotangeante of x
|
||
|
|
"""
|
||
|
|
sin_x = np.sin(x)
|
||
|
|
if sin_x == 0:
|
||
|
|
return 1e16
|
||
|
|
return np.cos(x) / sin_x
|
||
|
|
|
||
|
|
|
||
|
|
def sliding_window(l: list, n: int = 2) -> list[tuple]:
|
||
|
|
"""Create a sliding window of size n
|
||
|
|
|
||
|
|
Args:
|
||
|
|
l (list): list to create the sliding window from
|
||
|
|
n (int, optional): number of value. Defaults to 2.
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
list[tuple]: sliding window
|
||
|
|
"""
|
||
|
|
k = n - 1
|
||
|
|
l2 = l + [l[i] for i in range(k)]
|
||
|
|
res = [(x for x in l2[i:i+n]) for i in range(len(l2)-k)]
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
pass
|