panqizhe
幼苗
共回答了16个问题采纳率:68.8% 举报
function f=fx(x)
f(1)=1+cos(x(1))*cosh(x(1))-x(2);
f(2)=2.4*x(1)*(sin(x(1))*cosh(x(1))-cos(x(1))*sinh(x(1)))-x(2);
>> [x,f]=fsolve(@fx,[1,30])
x =
1.0328 1.8109
f =
1.0e-010 *
-0.0955 0.9024
>> [x,f]=fsolve(@fx,[4,30])
x =
3.9738 -16.9100
f =
1.0e-013 *
0.0355 0.1776
>>[x,f]=fsolve(@fx,[9,30])
x =
7.0972 415.8972
f =
1.0e-011 *
0 -0.3013
1年前
3