SSPRK(4,2)
Explicit Runge-Kutta method
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Coefficients
\begin{align}
\begin{array}{c|cccc}
& & & & \\
\frac{1}{3} & \frac{1}{3} & & & \\
\frac{2}{3} & \frac{1}{3} & \frac{1}{3} & & \\
1 & \frac{1}{3} & \frac{1}{3} & \frac{1}{3} & \\
\hline
& \frac{1}{4} & \frac{1}{4} & \frac{1}{4} & \frac{1}{4}
\end{array}\end{align}
Properties
- Order of accuracy: $2$
- Stage order: $1$
- Stability function: $$1 + z + \frac{z^{2}}{2} + \frac{z^{3}}{9} + \frac{z^{4}}{108}$$
- Radius of absolute monotonicity: $3.000$
- Principal error norm: 0.062112999375
- Imaginary stability interval: 0
- Real stability interval: 6.0
- Zero-stable: True