table of coefficients (about 18 digits) (.txt)
AB scheme, real:
Y 8-6
s=8, p=6; 7-fold symmetric Strang composition recombined (Yoshida 1990)
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composition weights:
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ω1=-1.177679984178871007
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ω2=0.235573213359358134
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ω3=0.784513610477557264
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ω0 = 1 - 2(ω1+ω2+ω3)
= 1.315186320683911218
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LEM: 16.
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i | ai | bi |
1 | ω3/2 | ω3 |
2 | (ω2+ω3)/2 | ω2 |
3 | (ω1+ω2)/2 | ω1 |
4 | (ω0+ω1)/2 | ω0 |
5 | (ω0+ω1)/2 | ω1 |
6 | (ω1+ω2)/2 | ω2 |
7 | (ω2+ω3)/2 | ω3 |
8 | ω3/2 | 0 |