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A bar 10 cm long with insulated sides is initially at 100* , starting at t=0, the ends are held at 0*. Find the temperature distribution in the bar at time t.

initial condition : u(x,t = 0) = 100
Suddenly, when t = 0 given limit conditions : u (x = 0,t > 0) = 0 = u (x = L,t > 0)

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