标题: Mathematica求解方程组遇阻 [打印本页] 作者: 2935828827 时间: 2018-5-31 18:05 标题: Mathematica求解方程组遇阻 如下代码NSolve输入后,直接原样输出,为什么?/ g$ l: P3 c8 l9 c
用Solve求解输出(Solve was unable to solve the system with inexact coefficients or the P H$ j/ I0 y' M3 P3 ?1 |6 D) p( k) c& s
system obtained by direct rationalization of inexact numbers present 5 H5 |) u" o+ u& D8 B( m8 a8 m
in the system. Since many of the methods used by Solve require exact 8 a+ m3 p! [! k$ Q: u1 K8 I5 v
input, providing Solve with an exact version of the system may help)9 `4 a4 M* r; Q5 P
怎样可以求解这个方程组?$ ~) U- a$ U1 H4 W# ~. |
难道它真的不可解吗?5 R9 k8 i- ]) t8 H3 ^- C b