Computational Physics, Python, Math, Physics.
np.zeros((N_x+1,N_x+1,N_t+1),float) #Tableau de stockage de la solution u_nm1 = np.zeros((N_x+1,N_y+1),float) #Vector array u_{i,j}^{n-1} u_n = np.zeros((N_x+1,N_y+1),float) #Vector array u_{i,j}^{n} u_np1 = np.zeros((N_x+1,N_y+1),float) #Vector array u_{i,j}^{n+1} V_init =