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Full simulations of the WP-F model (equations (4.3) and (4.4)) showing A(x,t). A variety of waves and periodic travelling patterns are obtained. Parameter values as in figure 4b, with (a) k0 = 0.1, (b) k0 = 0.175, (c) k0 = 0.22, (d) k0 = 0.24, and (e) k0 = 0.25.
