defencedog
maxiimilian
/ multi_root.py
Last active
May 27, 2024 13:27
Function to look for all roots within given interval/bracket based on scipy's `root_scalar`. Resolution `n` of this function only needs to be high enough so that all sign changes of roots are covered.
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| import warnings | |
| from typing import Callable, Iterable | |
| import numpy as np | |
| from scipy.optimize import root_scalar | |
| def multi_root(f: Callable, bracket: Iterable[float], args: Iterable = (), n: int = 30) -> np.ndarray: | |
| """ Find all roots of f in `bracket`, given that resolution `n` covers the sign change. | |
| Fine-grained root finding is performed with `scipy.optimize.root_scalar`. |