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Table 3 Discrete conservative properties of the scheme (11)–(14) when \(h=0.1\) and \(\tau =0.01\)

From: On the convergence of a high-accuracy compact conservative scheme for the modified regularized long-wave equation

t

\(E^n\)

Q

\(\tilde{E}\)

2

19.7989864026379

10.8827962014572

50.9215819473395

4

19.7989864025761

10.8827962035498

50.9215813909925

6

19.7989864025143

10.8827962044781

50.9215812185741

8

19.7989864024516

10.8827962047988

50.9215811567766

10

19.7989864023892

10.8827962049056

50.9215811324460