7楼: Originally posted by elastic at 2014-04-08 17:50:58
matlab求解过程：
  r='I1=*';
  p='  I2=*';
   q=' I3=*';
   s=' I4=*';
=solve(r,s,q,p)
Warning: Explicit solution could not be found.
> In solve at 169

x =




y =

     []
...

10楼: Originally posted by yuewu at 2014-04-09 19:37:01
谢谢回答，麻烦能给出解析表达式吗？
    I1=*
    I2=*
    I3=*
    I4=*
其中b,x,y为未知数，其他为已知数...

12楼: Originally posted by feixiaolin at 2014-04-10 08:17:26
1stop代码
Constant c=2.1, I1=1, I2=2, I3=3, I4=4; // 自己具体设值
Parameters b, x, y1;
MinFunction   Abs((a+b*cos(x))*(a+b*cos(y1+2*c))-I1);   
           (1+b*cos(x+2*c))*(1+b*cos(y1+2*c))=I2; ...

13楼: Originally posted by yuewu at 2014-04-20 11:23:59
麻烦能不能给出x，y的解析表达式，谢谢！...