[求助] 求助——求解三元二次多项式方程组 已有1人参与

2楼: Originally posted by Mr__Right at 2014-05-22 13:08:29
求解这类多项式方程组先要明白自己的目的和约束的情况.
首先,一般情况下closed form解析解是木有的; 个别特殊情况有但看你的问题;
1. 如果是求复数域上的全部解,Bezout定理(比左)给出全部解的个数的上限; 全部解 ...

4楼: Originally posted by Mr__Right at 2014-05-25 07:13:32
我自己也是业余的;
尽可能在论坛上讨论问题吧,这样更多高手关注,
大家都来参与学习...

6?: Originally posted by Mr__Right at 2014-05-25 17:09:20
??????????????. ?????????Maple, Mathemativa???????.
??????Mathematica??????:
Clear; NumberForm

(???????????,????????????????????????????)

?????????????8????????:
{
...

6?: Originally posted by Mr__Right at 2014-05-25 17:09:20
??????????????. ?????????Maple, Mathemativa???????.
??????Mathematica??????:
Clear; NumberForm

(???????????,????????????????????????????)

?????????????8????????:
{
...

6楼: Originally posted by Mr__Right at 2014-05-25 17:09:20
你这个方程组比较简单. 可以直接用Maple, Mathemativa之类的求解.
比如在Mathematica中输入:
Clear; NumberForm

(请自己确认系数,自己针对自己的特定系数用软件求解即可)

求解之后得到全部的8个解如下:
{
...