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given the pde:

u(t) = Uxx - U

0<x<t

0<t<inf

B.C.

u(0,t) = 0

u(1,t) = 0

i.c.

u(x,0) = sin(pi*x) + 0.5(sin(3*pi*x))

when 0<x<1

can anyone help me with the solution?

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# Partial differential equation help

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