Research Article

A Nonclassical Radau Collocation Method for Nonlinear Initial-Value Problems with Applications to Lane-Emden Type Equations

Table 3

Comparison of numerical results for ( ) for Example 4.2.

Present method Method in [10] Method in [15] Method in [16] Exact [21]

0 20 2.4494897427832 2.44899 2.4494897427832
0.5 27 2.752698051 2.75269805
1 20 3.1415926535898 3.14048 3.1415926535898
1.5 25 3.65375374 3.65375374 3.65375374
2 15 4.35287460 4.35086 4.352875 4.35287460 4.35287460
2.5 17 5.35527546 5.35527546 5.35527546
3 25 6.89684862 6.89312 6.896846 6.89684862 6.89684862
3.5 25 9.53580535 9.53580534
4 30 14.9715464 14.96518 14.971546 14.9715463 14.9715463
4.5 30 31.8364633 31.8364632