Consider the oe-dimensional wave equation u %3D u(0, t) = u(1, t) = 0 %3D u(x,0) = 3 sin(27r) du (x, 0) = x – r. Use CTCS scheme with Ar = 0.1, At = 0.05 to estimate the value of the displacement u(0.9,0.15).
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