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Theory and Modern Applications

Table 1 Comparison of the numerical solution for \(\pmb{\nu=1.5}\) , \(\pmb{\alpha =0.5, 1}\) , and \(\pmb{M=17}\) with other results in [ 23 , 27 ]

From: A fractional-order Legendre collocation method for solving the Bagley-Torvik equations

t

Exact

FSLPs ( α  = 0.5)

FSLPs ( α  = 1.0)

Ref. [ 27 ]

Ref. [ 23 ]

1.40625

4.85696

4.80915

4.85715

4.95531

4.67105

2.03125

6.83165

6.78579

6.85062

6.93440

6.48436

2.96875

7.67925

7.64470

7.67261

7.80605

7.21918

3.59375

6.97278

6.94967

6.98356

7.09830

6.51938

4.21875

5.48313

5.47278

5.48883

5.59310

5.09093

5.46875

1.28657

1.29947

1.28343

1.33675

1.11881

7.96875

−4.53369

−4.50974

−4.53926

−4.59731

−4.30082

9.53125

−3.64404

−3.63542

−3.64279

−3.71142

−3.40603

11.7188

0.59143

0.57883

0.59421

0.58569

0.61398

13.5938

2.64127

2.62760

2.63996

2.67926

2.51628

15.4688

1.72175

1.71945

1.72207

1.75636

1.60585

16.4063

0.63025

0.63383

0.62882

0.64944

0.56273

17.3438

−0.44428

−0.43668

−0.44270

−0.44298

−0.45529

18.9063

−1.50186

−1.49344

−1.49966

−1.52298

−1.44138

19.8438

−1.52304

−1.51713

−1.518921

−1.54859

−1.44734