File list (Check if you may need any files):
GSSSS
.....\Bilinear_Elastic_SDOF.m
.....\Central_Difference.m
.....\First_Displacement_Zero_Velocity_Continuous_Acceleration.m
.....\First_Displacement_Zero_Velocity_Discontinuous_Acceleration.m
.....\First_Displacement_Zero_Velocity_Optimal_Dissipation_Dispersion.m
.....\Fox_Goodwin.m
.....\Generalized_a_Chung_Hulbert.m
.....\GSSSS.m
.....\GSSSS.pdf
.....\HHT_Hilber_Hughes_Taylor_a.m
.....\Linear_Elastic_Coulomb_SDOF.m
.....\Linear_Elastic_Hysteretic_SDOF.m
.....\Linear_Elastic_SDOF.m
.....\Linear_ViscoElastic_SDOF.m
.....\Newmark_Average_Constant_Acceleration.m
.....\Newmark_Linear_Acceleration.m
.....\verify.m
.....\WBZ_Wood_Bossak_Zienkiewicz.m
.....\Zero_Displacement_First_Velocity_Continuous_Acceleration.m
.....\Zero_Displacement_First_Velocity_Discontinuous_Acceleration.m
.....\Zero_Displacement_First_Velocity_Optimal_Dissipation_Dispersion.m
.....\Zero_Displacement_Zero_Velocity_Continuous_Acceleration.m
.....\Zero_Displacement_Zero_Velocity_Discontinuous_Acceleration.m
.....\Zero_Displacement_Zero_Velocity_Optimal_Dissipation_Dispersion.m