Build a MATLAB code for computing the temperature distribution for the L-shaped plate with boundary conditions (the number along the boundary indicate the temperature in degree C and insulated means heat flux q=0) as shown in the figure using finite difference method by solving PDE:

PDE Please develop the finite difference equation with steps and plot the temperature distribution by solving the problem. Insulated 120 Insulated 100 80 60 40 20 0 Insulated PDE Please develop the finite difference equation with steps and plot the temperature distribution by solving the problem. Insulated 120 Insulated 100 80 60 40 20 0 Insulated