2 (5 marks) Solve PDE: = 4(x + y), (x,y) = R= [0, 3] × [0, 1], t > 0. BC: u(x, y, t) = 0 for t> 0 and (x, y) = OR, : u(x
Posted: Mon Jul 11, 2022 12:02 pm
2 (5 marks) Solve PDE: = 4(x + y), (x,y) = R= [0, 3] × [0, 1], t > 0. BC: u(x, y, t) = 0 for t> 0 and (x, y) = OR, : u(x, y,0) = 7 sin(3mx) sin(4xy), (x, y) € R. ICS: