From: An efficient spectral collocation algorithm for nonlinear Phi-four equations
N
α
β
M E
4
0
6.59 × 10−4
8
2.20 × 10−7
12
1.36 × 10−8
1 2
8.66 × 10−4
4.35 × 10−7
− 1 2
4.40 × 10−4
7.74 × 10−8
7.56 × 10−9