解的结果 6 3x,+2X+3主0 -1. x1= -2.2171612389003691410154884062240 .21716123890036914101548840622401 0 t0.2+.0 x2= 1.8257418583505537115232326093360 -1.8257418583505537115232326093360 0 图5.3.1用eplot在同一图中画两根曲线 解的结果 图 5.3.1 用 ezplot 在同一图中画两根曲线 -1. 1 -2.2171612389003691410154884062240 .21716123890036914101548840622401 x     =       0 2 1.8257418583505537115232326093360 -1.8257418583505537115232326093360 x     =      