231920.fig.004
Figure 4: Error 𝑈 𝑗 ( 𝑚 ) 𝑢 𝑗 ( 𝑚 ) of the numerical method for the problem considered in Figures 1 and 2 at 𝑥 = 0 . 5 . Squares: 𝛾 2 = 1 ; circles: 𝛾 2 = 1 / 2 ; hollow symbols: 𝛾 1 = 1 ; filled symbols: 𝛾 1 = 1 / 2 .