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Table 1 Comparison of absolute errors in Example 1

From: Numerical method and convergence order for second-order impulsive differential equations

n \(\vert u(x) - u_{n}(x) \vert \) [13] Presented method
\(\max \vert u - u_{n} \vert \) C.R \(\max \vert u' - u'_{n} \vert \) C.R \(\max \vert u'' - u''_{n} \vert \)
33 3.426E−3 7.988E−5   3.381E−4   7.988E−5
129 8.562E−4 5.297E−6   2.252E−5   5.297E−6
200 4.563E−6   1.896E−5   4.563E−6
400 4.486E−7 3.3464 1.934E−6 3.2933 4.486E−7