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 Author Comment/Response yehuda 11/11/12 02:31am Replace the AND with && you may also omit the steps of 0.1 for t u[x_, t_] = Piecewise[{{t, -1 < x - t < 1 && -1 < x + t < 1}, {1/ 2 (1 - x + t), -1 < x - t < 1 && x + t > 1}, {1/2 (x + t + 1), x - t < -1 && -1 < x + t < 1}, {1, x - t < -1 && x + t > 1}, {0, x + t < -1}, {0, x - t > 1}}]; Manipulate[Plot[u[x, t], {x, -10, 10}, PlotRange -> All], {t, 0, 10}] you might also use Plot3D Plot3D[u[x, t], {x, -10, 10}, {t, 0, 10}, PlotPoints -> 50, AxesLabel -> {"X", "t", "U"}] URL: benshimo@bgu.ac.il,

 Subject (listing for 'plotting a wave equation') Author Date Posted plotting a wave equation dustin 11/10/12 12:27pm Re: plotting a wave equation yehuda 11/11/12 02:31am Re: plotting a wave equation Peter Pein 11/11/12 10:10am
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