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↓ ABCD schemes
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table of coefficients (about 18 digits) (.txt) AB scheme, real: PP 5/6 A
s=8, p=5, best palindromic scheme with coefficients in (-1,1) (Auzinger 2015)
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same as in Emb 5/4 A
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LEM: 0.15
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Let (I) = given scheme, and (II) = (I) applied with A,B exchanged
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Then the additive scheme ((I)+(II))/2 has order p=6; LEM: 0.7
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((I)-(II))/2 is local error estimator for (I)
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i | ai | bi |
1 | 0.201651044312324230 | a8 |
2 | 0.562615975356569200 | a7 |
3 | 0.253874038247554845 | a6 |
4 | -0.835351693190370636 | a5 |
5 | 0.068014946093165092 | a4 |
6 | -0.102733803148432142 | a3 |
7 | 0.273128836056524479 | a2 |
8 | 0.578800656272664932 | a1 |
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