Repeat_t.cpp Rootbise.cpp Rootneu.cpp Rootsimp.cpp Z_g_fa.cpp Euler.cpp Exprdemo.cpp Expressi.cpp G_s_iter.cpp Gauss_no.cpp Gauss_se.cpp Impr_eul.cpp Jacobi.cpp Lagrange.cpp Lu_no.cpp Lu_no_so.cpp Repeat_s.cpp