File list (Check if you may need any files):
multimachine_transiant_stability\afpek.m
................................\busout.m
................................\dfpek.m
................................\lfnewton.m
................................\lfybus.m
................................\main.m
................................\sim11ex6.m
................................\sim11ex6.mdl
................................\trstab.asv
................................\trstab.m
................................\ybus.m
................................\ybusaf.m
................................\ybusbf.m
................................\ybusdf.m
multimachine_transiant_stability