作业帮matlab 解非线性方程组有两个非线性方程组,未知数是x1,x2：(15x1+10x2)/[(40-30x1-10x2)^2×(15-15x1)]=5e-4;(15x1+10x2)/[(40-30x1-10x2)×(10-10x2)]=4e-2.此题是一项作业,我是matlab新手,请大侠们帮忙,谢谢一楼的回答,
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/15 22:20:58
![matlab 解非线性方程组有两个非线性方程组,未知数是x1,x2：(15x1+10x2)/[(40-30x1-10x2)^2×(15-15x1)]=5e-4;(15x1+10x2)/[(40-30x1-10x2)×(10-10x2)]=4e-2.此题是一项作业,我是matlab新手,请大侠们帮忙,谢谢一楼的回答,](/uploads/image/z/3027466-10-6.jpg?t=matlab+%E8%A7%A3%E9%9D%9E%E7%BA%BF%E6%80%A7%E6%96%B9%E7%A8%8B%E7%BB%84%E6%9C%89%E4%B8%A4%E4%B8%AA%E9%9D%9E%E7%BA%BF%E6%80%A7%E6%96%B9%E7%A8%8B%E7%BB%84%2C%E6%9C%AA%E7%9F%A5%E6%95%B0%E6%98%AFx1%2Cx2%EF%BC%9A%2815x1%2B10x2%29%2F%5B%2840-30x1-10x2%29%5E2%C3%97%2815-15x1%29%5D%3D5e-4%3B%2815x1%2B10x2%29%2F%5B%2840-30x1-10x2%29%C3%97%2810-10x2%29%5D%3D4e-2.%E6%AD%A4%E9%A2%98%E6%98%AF%E4%B8%80%E9%A1%B9%E4%BD%9C%E4%B8%9A%2C%E6%88%91%E6%98%AFmatlab%E6%96%B0%E6%89%8B%2C%E8%AF%B7%E5%A4%A7%E4%BE%A0%E4%BB%AC%E5%B8%AE%E5%BF%99%2C%E8%B0%A2%E8%B0%A2%E4%B8%80%E6%A5%BC%E7%9A%84%E5%9B%9E%E7%AD%94%2C)
matlab 解非线性方程组有两个非线性方程组,未知数是x1,x2：(15x1+10x2)/[(40-30x1-10x2)^2×(15-15x1)]=5e-4;(15x1+10x2)/[(40-30x1-10x2)×(10-10x2)]=4e-2.此题是一项作业,我是matlab新手,请大侠们帮忙,谢谢一楼的回答,
matlab 解非线性方程组
有两个非线性方程组,未知数是x1,x2：
(15x1+10x2)/[(40-30x1-10x2)^2×(15-15x1)]=5e-4;
(15x1+10x2)/[(40-30x1-10x2)×(10-10x2)]=4e-2.
此题是一项作业,我是matlab新手,请大侠们帮忙,
谢谢一楼的回答,请问你会用牛顿法解这个题吗?我的作业需要用牛顿法来解题.
matlab 解非线性方程组有两个非线性方程组,未知数是x1,x2：(15x1+10x2)/[(40-30x1-10x2)^2×(15-15x1)]=5e-4;(15x1+10x2)/[(40-30x1-10x2)×(10-10x2)]=4e-2.此题是一项作业,我是matlab新手,请大侠们帮忙,谢谢一楼的回答,
S=solve('(15*x1+10*x2)/((40-30*x1-10*x2)^2*(15-15*x1))=5e-4',...
'(15*x1+10*x2)/((40-30*x1-10*x2)*(10-10*x2))=4e-2','x1','x2')
S =
x1:[3x1 sym]
x2:[3x1 sym]
>> S.x1
ans =
0.1202666544761356020022169667429
2.1048681889566286366312185043052*i + 1.3692452038353785266825073358376
1.3692452038353785266825073358376 - 2.1048681889566286366312185043052*i
>> S.x2
ans =
0.47867067450262387994394748046949
2.7225290695283490769771788021381 - 1.4535479853270135333310210750154*i
1.4535479853270135333310210750154*i + 2.7225290695283490769771788021381