File list (Check if you may need any files):
Chapter_6
.........\calculate_frequency_domain_outputs.m
.........\display_frequency_domain_outputs.m
.........\example_6_a
.........\...........\define_geometry.m
.........\...........\define_output_parameters.m
.........\...........\define_problem_space_parameters.m
.........\...........\define_sources_and_lumped_elements.m
.........\example_6_b
.........\...........\define_geometry.m
.........\...........\define_output_parameters.m
.........\...........\define_problem_space_parameters.m
.........\...........\define_sources_and_lumped_elements.m
.........\initialize_output_parameters.m