SSPRK22star
The underlying method of the optimal 2-stage, 2nd order downwind SSP Runge-Kutta method with one star
Coefficients
\begin{align}
\begin{array}{c|cc}
& & \\
0.822875655532364 & 0.822875655532364 & \\
\hline
& 0.392374781489287 & 0.607625218510713
\end{array}\end{align}
Properties
- Order of accuracy: $2$
- Stage order: $1$
- Stability function: $$1 + z + \frac{z^{2}}{2}$$
- Radius of absolute monotonicity: $0.785$
- Principal error norm: 0.171180769336
- Imaginary stability interval: 0
- Real stability interval: 2.0
- Zero-stable: True