matlab解方程组求解 如图两个方程
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matlab解方程组求解 如图两个方程
求解得到fc 和 N
求解得到fc 和 N
![matlab解方程组求解 如图两个方程](/uploads/image/z/10151501-5-1.jpg?t=matlab%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84%E6%B1%82%E8%A7%A3+%E5%A6%82%E5%9B%BE%E4%B8%A4%E4%B8%AA%E6%96%B9%E7%A8%8B)
首先对方程进行了简化处理
程序较为简单,如下
syms fc N
[fc,N]=solve(1+(3/fc)^(2*N)-10^0.2,1+(12/fc)^(2*N)-10^3)
fc =
2.6845239412374312251143982129648486
N =
3.3151553738881075895921713766373991
再问: 谢谢啦,但是我运算出来的结果为什么是: fc = -1/2*log(23730853726301/40532396646334464)/log(4) N = 3*exp(log(2634124763619411/4503599627370496)/log(23730853726301/40532396646334464)*log(4))
程序较为简单,如下
syms fc N
[fc,N]=solve(1+(3/fc)^(2*N)-10^0.2,1+(12/fc)^(2*N)-10^3)
fc =
2.6845239412374312251143982129648486
N =
3.3151553738881075895921713766373991
再问: 谢谢啦,但是我运算出来的结果为什么是: fc = -1/2*log(23730853726301/40532396646334464)/log(4) N = 3*exp(log(2634124763619411/4503599627370496)/log(23730853726301/40532396646334464)*log(4))