Figure 1From: An efficient spectral collocation algorithm for nonlinear Phi-four equations The approximate and exact solutions for different values of t (0, 0.5 and 0.9) of problem ( 32 ) with α=β= 1 2 , λ 1 = λ 2 = λ 3 =1 , ν=2 and N=24 . Back to article page