Polynomial Stepper Fix (#49)

* Have general diffusion coefficient consisten with norm/diff * Use correct sign on quadratic nonlinearity
Ceyron · Oct 22, 2024 · ec4854d · ec4854d
1 parent 3a17946
commit ec4854d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/exponax/stepper/generic/_polynomial.py b/exponax/stepper/generic/_polynomial.py
@@ -18,8 +18,8 @@ def __init__(
         num_points: int,
         dt: float,
         *,
-        coefficients: tuple[float, ...] = (10.0, 0.0, 0.01),
-        polynomial_scales: tuple[float, ...] = (0.0, 0.0, 10.0),
+        coefficients: tuple[float, ...] = (10.0, 0.0, 1.0),
+        polynomial_scales: tuple[float, ...] = (0.0, 0.0, -10.0),
         order=2,
         dealiasing_fraction: float = 2 / 3,
         num_circle_points: int = 16,