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Table 2 \(E^{N,\tau}_{\varepsilon}\), \(E^{N,\tau}\), and \(r^{N,\tau}\) for Example 5.1

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

ε

N = 32

64

128

256

512

1024

M = 20

40

80

160

320

640

Present Method

2−6

3.3862e − 03

1.7451e − 03

8.8199e − 04

4.9830e − 04

2.2211e − 04

1.1118e − 04

0.95636

0.98448

0.82375

1.1657

0.99838

 

2−8

4.0057e − 03

2.0129e − 03

1.0010e − 03

4.4317e − 04

2.4846e − 04

1.2404e − 04

0.99278

1.0078

1.1755

0.8.34851

1.0022

 

2−10

4.4504e − 03

2.2209e − 03

1.0791e − 03

5.2577e − 04

2.5865e − 04

1.2819e − 04

1.0028

1.0413

1.0373

1.0234

1.0127

 

2−12

4.6896e − 03

2.4227e − 03

1.2006e − 03

5.7639e − 04

2.7481e − 04

1.3289e − 04

0.95285

1.0129

1.0586

1.0686

1.0482

 

2−14

4.7443e − 03

2.4871e − 03

1.2644e − 03

6.2915e − 04

3.0594e − 04

1.4544e − 04

0.93173

0.97601

1.0070

1.0402

1.0728

 

2−16

4.7485e − 03

2.4971e − 03

1.2792e − 03

6.4578e − 04

3.2224e − 04

1.5880e − 04

0.92722

0.96501

0.98613

1.0029

1.0209

 

2−18

4.7485e − 03

2.4972e − 03

1.2802e − 03

6.4830e − 04

3.2598e − 04

1.6299e − 04

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

4.7485e − 03

2.4972e − 03

1.2802e − 03

6.4830e − 04

3.2598e − 04

1.6299e − 04

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

0.92716

0.96394

0.98164

0.99188

1.0000

 

Results in [19]

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

2.8299e − 01

1.7036e − 01

1.1805e − 01

7.4251e − 02

4.1879e − 02

2.2413e − 02

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

0.2844

0.6496

0.6469

0.8100

0.8973

 

Results in [23]

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

5.4827e − 03

2.9644e − 03

1.5416e − 03

7.8591e − 04

3.9638e − 04

1.9820e − 04

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

0.8874

0.9447

0.9756

0.9931

1.0069