Abstract and Applied Analysis

Research Article

A Jacobi Dual-Petrov-Galerkin Method for Solving Some Odd-Order Ordinary Differential Equations

Table 4

Maximum pointwise error using quadrature JDPG method for 𝑁 = 1 2 , 1 6 , 2 0 , 2 4 , for Example 5.4.
𝑁 𝛼 𝛽 Quadrature JDPG 𝛼 𝛽 Quadrature JDPG
8 0 0 2 . 6 4 3 ⋅ 1 0 − 2 1 2 1 2 3 . 2 8 0 ⋅ 1 0 − 2
12 1 . 4 9 6 ⋅ 1 0 − 5 2 . 0 6 0 ⋅ 1 0 − 5
16 2 . 5 1 3 ⋅ 1 0 − 9 2 . 9 2 0 ⋅ 1 0 − 9
20 3 . 6 1 3 ⋅ 1 0 − 1 4 5 . 8 4 7 ⋅ 1 0 − 1 4