Namespace integrator::ck_butcher_table

namespace integrator::ck_butcher_table

Cash-Karp parameter table for RK45.

Variables

constexpr double c11 = 0.2

constexpr double c21 = 3.0/40.0

constexpr double c22 = 9.0/40.0

constexpr double c31 = 3.0/10.0

constexpr double c32 = -9.0/10.0

constexpr double c33 = 6.0/5.0

constexpr double c41 = -11.0/54.0

constexpr double c42 = 2.5

constexpr double c43 = -70.0/27.0

constexpr double c44 = 35.0/27.0

constexpr double c51 = 1631.0/55296.0

constexpr double c52 = 175.0/512.0

constexpr double c53 = 575.0/13824.0

constexpr double c54 = 44275.0/110592.0

constexpr double c55 = 253.0/4096.0

constexpr double hc1 = 0.2

constexpr double hc2 = 0.3

constexpr double hc3 = 0.6

constexpr double hc4 = 1.0

constexpr double hc5 = 7.0/8.0

constexpr double x11 = 37.0/378.0

constexpr double x13 = 250.0/621.0

constexpr double x14 = 125.0/594.0

constexpr double x16 = 512.0/1771.0

constexpr double x21 = 2825.0/27648.0

constexpr double x23 = 18575.0/48384.0

constexpr double x24 = 13525.0/55296.0

constexpr double x25 = 277.0/14336.0

constexpr double x26 = 0.25