∂∂TX∂ + (1 - X)ET UT=0 = 1, U(0, T) = ET, U(L, T) = 0 ∂ = A2 22UU

12. - BAI TAP CHO 16 UNIT 12 CO DAP AN
BAI TAP CHO 16 UNIT 12 CO DAP AN
12. ∂tx∂ + (1 - x)e

t

u

t=0

= 1, u(0, t) = e

t

, u(l, t) = 0 ∂ = a

2

2

2

u