|
EDA365欢迎您登录!
您需要 登录 才可以下载或查看,没有帐号?注册
x
缺少解/ a6 Z, b1 x g1 ?3 g' v
* v/ U1 I' I) z) S7 A" M* A( p5 m8 e- function[x,fval,exitflag]=fsolveDemo1
- x0=[0,0,0];
- options=optimset('MaxFunEvals',0,'MaxIter',3);
- [x,fval,exitflag]=fsolve(@f,x0);
- function F =f(x)
- F=[x(1)/4-x(2)/4; x(2)/4-(x(3)-2)/-2; x(1)^2+x(2)^2-4];
- end
- end
, u+ g5 E r2 B" j) z* [
5 w# m- R: e& I8 d* z+ L[color=rgb(51, 102, 153) !important]复制代码/ ]- D" ?( a0 v x# s0 v% u
- %显示
- Equation solved.
- fsolve completed because the vector of function values is near zero
- as measured by the default value of the function tolerance, and
- the problem appears regular as measured by the gradient.
- <stopping criteria details>
- x =
- 1.4142 1.4142 1.2929
- fval =
- 1.0e-08 *
- 0
- 0.0000
- 0.3873
- exitflag =
- 1
- >> 2-1.414/2
- ans =
- 1.2930
- >>
$ u# ? R8 z) u/ r5 t5 s 4 t: A$ {3 o* M1 w( [: r
[color=rgb(51, 102, 153) !important]复制代码
, f0 ~9 U4 G' G- r其中x 的解只是其中的一个,另一个为什么没有显示? O3 d3 k" @; \, z5 j
|
|