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The pointwise values of fnn(t,x,v;m,w,b) as t varies at each x's for the different inflow boundary cases in different colors as shown in the legend. x = ±1 stand for the boundary points, and x = ±0.5 and =0 are the points away from the boundary. (For interpretation of the colors in the figure(s), the reader is referred to the web version of this article.)
