题目

matlab 解方程组 matlab求解一个六元方程组,得出来的结果带回去不成立,
matlab求解一个六元方程组,得出来的结果带回去不成立,
syms x y x_1 y_1 x_2 y_2
[x,y,x_1,y_1,x_2,y_2]=solve('1+x_1*x_2+y_2*x*x_1+y_2*x_1*y=0','1-x_2*y_1+y_2*x_1*x-y_2*y_1*y=0','x_2*x+0.5*y_2*x^2+y_2*x*y=0','x_2*y+0.5*y_2*y^2=0','x_1*x-y*y_1-5=0','x_1*x^2+2*x_1*x*y-y_1*y^2-200=0')
x =
40.0
0
y =
0.125
0.125
x_1 =
8.0
8.0
y_1 =
0
40.0
x_2 =
-0.125
-0.125
y_2 =
-0.4
-0.4

提问时间：2021-02-27

答案

syms x y x_1 y_1 x_2 y_2[x,x_1,x_2,y,y_1,y_2]=solve('1+x_1*x_2+y_2*x*x_1+y_2*x_1*y=0',...'1-x_2*y_1+y_2*x_1*x-y_2*y_1*y=0',...'x_2*x+0.5*y_2*x^2+y_2*x*y=0',...'x_2*y+0.5*y_2*y^2=0','x_1*x-y*y_1-5=0',....