generate_combinations¶
- generate_combinations(n, k)[source]¶
Generate combination for n rows of k.
numba alternative to from itertools import combinations indices = np.array([_ for _ in combinations(np.arange(9), 3)])
- Parameters:
- n: number of integers
- k: number of combinations
- Returns:
- array
where each row is a unique length k permutation from n.
Examples
>>> import numpy as np >>> from aeon.utils.numba.general import generate_combinations >>> combos=generate_combinations(3,2)