| # presence_demo.py | |
| # Minimal stub: computes a dummy Presence Index p(t) | |
| # Replace with real logic when ready. | |
| def presence_dummy(): | |
| cra_sim = 0.7 | |
| A = 0.6 | |
| inertia = 0.1 | |
| reset = 0 | |
| z = cra_sim + A - inertia - reset | |
| p = 1 / (1 + pow(2.718, -z)) # sigmoid | |
| print(f"Dummy Presence Index p(t) = {p:.2f}") | |
| if __name__ == "__main__": | |
| presence_dummy() | |