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↓ ABCD schemes
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table of coefficients (about 18 digits) (.txt) AB scheme, complex: Milne 2/2 c (i)
(I) s=2, p=2 (Auzinger 2015)
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LEM: 0.15
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i | ai | bi |
1 | 12/37 - 2/37 i | 25/34 - 1/17 i |
2 | 25/37 + 2/37 i | 9/34 + 1/17 i |
Associated scheme:
(II) s=2, p=2
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LEM: 2.
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'Milne device': With κ=14/15 - i/20, κ*((I)-(II)) is local error estimator for (I)
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i | ai,associated | bi,associated |
1 | 4/5 + 2/5 i | 1/2 + i |
2 | 1/5 - 2/5 i | 1/2 - i |
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