File list (Check if you may need any files):
Chapter_3
.........\calculate_domain_size.m
.........\calculate_material_component_values.m
.........\create_bricks.m
.........\create_PEC_plates.m
.........\create_spheres.m
.........\define_geometry.m
.........\define_problem_space_parameters.m
.........\display_3D_geometry.m
.........\display_material_mesh.m
.........\display_material_mesh_gui.m
.........\display_problem_space.m
.........\fdtd_solve.m
.........\initialize_fdtd_material_grid.m
.........\object_drawing_functions.m