Use the Crank-Nicolson method to solve for the temperature distribution of a long, thin rod with a length of 10 cm and the following values: k' = 0.49 cal/(s.cm•°C), Ax = 2 cm, and At = 0.1 s. At t = 0, the temperature of the rod is zero and the boundary conditions are fixed for all times at T(0) = 100°C and T (10) = 50°C. Note that the rod is aluminum with C = 0.2174 cal/(g • °C) and p = 2.7 g/cm3.