Research Article

Bernstein-Polynomials-Based Highly Accurate Methods for One-Dimensional Interface Problems

Table 6

Convergence analysis of Example 4.2 by Galerkin formulation.

𝑁
𝛽 1 = 1 0 0 , 𝛽 2 = 1 0 𝛽 1 = 1 0 , 𝛽 2 = 1 0 0
Cond 𝑢 𝑈 𝐿 2 𝑢 𝑈 𝐻 1 Cond 𝑢 𝑈 𝐿 2 𝑢 𝑈 𝐻 1

4 2 . 8 9 0 2 𝑒 + 0 0 2 3 . 5 6 3 4 𝑒 0 0 4 1 . 3 7 8 1 𝑒 0 0 3 1 . 2 0 0 5 𝑒 + 0 0 2 1 . 4 1 3 2 𝑒 0 0 5 1 . 0 6 9 9 𝑒 0 0 4
6 1 . 9 9 4 8 𝑒 + 0 0 3 5 . 6 8 0 9 𝑒 0 0 7 3 . 1 8 2 0 𝑒 0 0 6 5 . 0 0 7 6 𝑒 + 0 0 2 5 . 6 3 2 1 𝑒 0 0 9 6 . 2 4 8 8 𝑒 0 0 8
8 2 . 6 0 5 8 𝑒 + 0 0 4 5 . 3 8 9 5 𝑒 0 1 0 3 . 9 6 0 8 𝑒 0 0 9 6 . 5 5 6 2 𝑒 + 0 0 3 1 . 3 3 5 3 𝑒 0 1 2 1 . 9 5 4 0 𝑒 0 1 1
10 3 . 6 1 1 0 𝑒 + 0 0 5 3 . 4 1 8 9 𝑒 0 1 3 3 . 0 7 1 8 𝑒 0 1 2 9 . 0 9 4 4 𝑒 + 0 0 4 4 . 3 5 5 6 𝑒 0 1 4 3 . 5 4 8 3 𝑒 0 1 3
12 5 . 1 6 8 9 𝑒 + 0 0 6 7 . 9 3 4 4 𝑒 0 1 4 7 . 1 5 9 2 𝑒 0 1 3 1 . 3 0 2 5 𝑒 + 0 0 6 2 . 6 6 9 3 𝑒 0 1 4 4 . 7 2 7 6 𝑒 0 1 3