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Table 1 \(E^{N,\tau}_{\varepsilon}\), \(E^{N,\tau}\), and \(r^{N,\tau}\) for Example 5.1 with \(M=N \)

From: Fitted numerical method for singularly perturbed Burger–Huxley equation

εN

16

32

64

128

256

512

2−6

4.1511e − 03

2.1635e − 03

1.1017e − 03

5.5395e − 04

2.7766e − 04

1.3899e − 04

2−8

5.1926e − 03

2.6194e − 03

1.2873e − 03

6.3309e − 04

3.1331e − 04

1.5576e − 04

2−10

5.9142e − 03

3.0773e − 03

1.4933e − 03

7.0466e − 04

3.3633e − 04

1.7942e − 04

2−12

6.1411e − 03

3.3268e − 03

1.6982e − 03

7.0466e − 04

3.8724e − 04

1.7942e − 04

2−14

6.1690e − 03

3.3829e − 03

1.7627e − 03

8.9236e − 04

4.4031e − 04

2.1086e − 04

2−16

6.1691e − 03

3.3865e − 03

1.7723e − 03

9.0674e − 04

4.5674e − 04

2.2707e − 04

2−18

6.1691e − 03

3.3865e − 03

1.7724e − 03

9.0765e − 04

4.5916e − 04

2.3072e − 04

2−20

6.1691e − 03

3.3865e − 03

1.7724e − 03

9.0765e − 04

4.5918e − 04

2.3095e − 04

2−22

6.1691e − 03

3.3865e − 03

1.7724e − 03

9.0765e − 04

4.5918e − 04

2.3095e − 04

\(E^{N,\tau }\)

6.1691e − 03

3.3865e − 03

1.7724e − 03

9.0765e − 04

4.5918e − 04

2.3095e − 04

\(r^{N,\tau}\)

0.86527

0.93409

0.96550

0.98308

0.99148