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↓ ABCD schemes
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table of coefficients (about 18 digits) (.txt) ABC scheme, real: PP 3/4 A 3
s=6, p=3, best palindromic found (Auzinger 2015)
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LEM: 0.7
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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 |
0.461601939364879971 |
-0.266589223588183997 |
-0.360420727960349671 |
2 |
-0.0678710530507800810 |
0.0924576733143338350 |
0.579154058410941403 |
3 |
-0.0958868852260720250 |
0.674131550273850162 |
0.483422668461380403 |
4 |
c3 |
b3 |
a3 |
5 |
c2 |
b2 |
a2 |
6 |
c1 |
b1 |
a1 |
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