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Práctica 6

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2u xx − u tt + µ 2 u = 0,con u(x, 0) = φ(x), u t (x, 0) = ψ(x).8- Resolver la ecuaciónu xx − u yy + au x + bu y + cu = 0,donde a, b y c son constantes, con −∞ < x < ∞, y > 0, si u(x, 0) = φ(x) y y (x, 0) = ψ(x).9- Hallar la solución deu tt = u xx ,con x ≥ 0, k > 1, si u(x, 0) = φ 0 (x), u t (x, 0) = φ 1 (x) y u(x, kx) = ψ(x), con φ 0 (0) = ψ(0).

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