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↓ ABCD schemes
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table of coefficients (about 18 digits) (.txt) ABC scheme, complex: PP 3/4 A 3 c
s=6, p=3, best palindromic found (Auzinger 2015)
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LEM: 0.2
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Let (I) = given scheme, and (II) = (I) applied with A,B,C replaced by C,B,A
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Then the additive scheme ((I)+(II))/2 has order p=4
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((I)-(II))/2 is local error estimator for (I)
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i | ai | bi | ci |
1 |
0.0442100822731214750 - 0.0713885293035937610 i |
0.0973753110633760580 - 0.112390152630243038 i |
0.125415464915697242 - 0.281916718734615225 i |
2 |
0.157419072651724312 - 0.1552628290245811054 i |
0.179226865237094561 - 0.0934263750859694960 i |
0.353043498499040389 + 0.0768951336684972038 i |
3 |
0.260637333463417766 + 0.0774417252676963806 i |
0.223397823699529381 + 0.205816527716212534 i |
0.059274548196998816 + 0.354231218126596507 i |
4 |
c3 |
b3 |
a3 |
5 |
c2 |
b2 |
a2 |
6 |
c1 |
b1 |
a1 |
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