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Table 4 Maximum absolute error (Problem 3)

From: Solving third-order boundary value problems with quartic splines

Method Maximum absolute error
N = 16 N = 32 N = 64
Equation (7) .119 (−3) .297 (−4) .744 (−4)
Al-Said (2001) .196 (−3) .489 (−4) .122 (−4)
Islam et al. (2005) .712 (−3) .405 (−3) .222 (−3)
Gao and Chi (2006) .113 (−2) .530 (−3) .252 (−3)
Noor and Al-Said (2004) .115 (−2) .532 (−3) .256 (−3)
Li and Wu (2012) .118 (−2) .547 (−3) .262 (−3)
Al-Said and Noor (2003) .123 (−2) .553 (−3) .261 (−3)
Noor and Khalifa (1994) .126 (−2) .560 (−3) .310 (−3)
Al-Said et al. (1996) .689 (−2) .711 (−2) .727 (−3)