table of coefficients (about 18 digits) (.txt)
AB scheme, real:
Y 4-4
|
s=4, p=4; symmetric 3-fold Strang composition recombined (Yoshida 1990)
|
|
composition weights:
|
|
ω1 = 1/(2 - 21/3) = 1.351207191959657634
|
|
ω0 = 1 - 2ω1 = -1.702414383919315268
|
|
the only real s=p=4 scheme
|
|
LEM: 3.7
|
| i | ai | bi |
| 1 | ω1/2 | ω1 |
| 2 | (ω1+ω0)/2 | ω0 |
| 3 | (ω1+ω0)/2 | ω1 |
| 4 | ω1/2 | 0 |