Table 2 For \(A = 0.002, \, B = 0.1, \, M = 0.00015{\text{ and }}\lambda = 0.01.\)

From: Comparative study of generalized couette flow of couple stress fluid using optimal homotopy asymptotic method and new iterative method

y

OHAM \(\Theta_{O}\)

Residual \(\Theta_{O}\)

NIM \(\Theta_{N}\)

Residual \(\Theta_{N}\)

− 1

3.23023 × 10–19

− 6.12875 × 10–11

− 0.0012488

− 6.80704 × 10–12

− 0.9

0.0502373

− 6.04614 × 10–11

0.0489884

− 3.15643 × 10–12

− 0.8

0.10045

− 5.75964 × 10–11

0.0992006

− 1.19945 × 10–12

− 0.7

0.150637

− 5.29869 × 10–11

0.149388

− 2.83398 × 10–13

− 0.6

0.2008

− 4.70084 × 10–11

0.19955

5.29563 × 10–14

− 0.5

0.250937

− 4.00936 × 10–11

0.249688

1.12833 × 10–13

− 0.4

0.30105

− 3.27016 × 10–11

0.2998

7.56639 × 10–14

− 0.3

0.351137

− 2.52864 × 10–11

0.349888

3.0352 × 10–14

− 0.2

0.4012

− 1.82654 × 10–11

0.39995

6.17562 × 10–15

− 0.1

0.451238

− 1.19926 × 10–11

0.449987

1.72171 × 10–16

0

0.50125

− 6.73623 × 10–12

0.5

0

0.1

0.551238

− 2.66376 × 10–12

0.549987

1.57036 × 10–15

0.2

0.601201

1.65194 × 10–13

0.59995

2.09047 × 10–14

0.3

0.651138

1.79791 × 10–12

0.649887

9.98993 × 10–14

0.4

0.701051

2.37925 × 10–12

0.6998

3.05928 × 10–13

0.5

0.750938

2.1346 × 10–12

0.749687

7.25391 × 10–13

0.6

0.800801

1.34631 × 10–12

0.79955

1.45156 × 10–12

0.7

0.850638

3.2485 × 10–13

0.849387

2.56731 × 10–12

0.8

0.90045

− 6.22983 × 10–13

0.899199

4.12343 × 10–12

0.9

0.950238

− 1.22644 × 10–12

0.948986

6.11371 × 10–12

1

1

− 1.28067 × 10–12

0.998748

8.44775 × 10–12