General Polynomial Stepper¤
exponax.stepper.GeneralPolynomialStepper
¤
Bases: BaseStepper
Source code in exponax/stepper/_polynomial.py
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 |
|
__init__
¤
__init__(
num_spatial_dims: int,
domain_extent: float,
num_points: int,
dt: float,
*,
coefficients: tuple[float, ...] = (10.0, 0.0, 0.01),
polynomial_scales: tuple[float, ...] = (0.0, 0.0, 10.0),
order=2,
dealiasing_fraction: float = 2 / 3,
num_circle_points: int = 16,
circle_radius: float = 1.0
)
By default: Fisher-KPP with a small diffusion and 10.0 reactivity
Note that the first two entries in the polynomial_scales list are often zero.
The effect of polynomial_scale[1] is similar to the effect of coefficients[0]
Source code in exponax/stepper/_polynomial.py
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
|
__call__
¤
__call__(
u: Float[Array, "C ... N"]
) -> Float[Array, "C ... N"]
Performs a check
Source code in exponax/_base_stepper.py
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 |
|