3楼: Originally posted by yinxiaomu at 2013-06-25 19:48:32
C不会等于零...

2楼: Originally posted by somomo91 at 2013-06-25 16:36:32
这个方程比较奇怪
假如 c = 0
e^(3 x/n) = e^(3 x*(1 - n)/n)
ln(e^(3 x/n)) = ln(e^(3 x*(1 - n)/n))
3 x/n = 3 x*(1 - n)/n
1=1-n
n = 0 ?

4楼: Originally posted by somomo91 at 2013-06-25 20:06:30
这个方程似乎没有解析解
我用MATLAB 和 MAPLE 试了一下
LZ 确定它有其他解 ？...