Marcus Jahnel majahn
arshednabeel
/ vicsek.py
Last active
October 3, 2024 20:07
A minimal implementation of the Vicsek model in ~50 lines of code
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| import numpy as np | |
| from tqdm import trange | |
| def get_neighbour_matrix(x, L, R): | |
| dx = np.subtract.outer(x[:, 0], x[:, 0]) | |
| dy = np.subtract.outer(x[:, 1], x[:, 1]) | |
| dx[dx > (L / 2) ** 2] -= (L / 2) ** 2 | |
| dy[dy > (L / 2) ** 2] -= (L / 2) ** 2 | |
| pair_dist = dx ** 2 + dy ** 2 |
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| .DS_Store | |
| *.swp | |
| *.swo | |
| Gemfile.lock |