Originally posted by soliton923 at 2011-07-01 07:46:08:

好像还是不行~~~不好意思
还是等待高手吧

Originally posted by xiuyouxu at 2011-07-01 10:32:38:
y显然连续可导, 对x求导并令其为0, 则

mcos(mx+n)(k+1-sinx)+sin(mx+n)cosx=0,

这个方程应该得不到解析解的, 还是用数值方法求解比较合适.

Originally posted by dreamingt at 2011-07-01 13:14:45:
期盼有高手出手相助啊~~

Originally posted by xiuyouxu at 2011-07-01 13:36:10:
你还没理解吗? 这个是得不到解析解的, 不是水平高低的问题

Originally posted by xiuyouxu at 2011-07-01 16:07:39:
mcos(mx+n)(k+1-sinx)+sin(mx+n)cosx=0,

这个方程是超越方程, 只有对特殊的m, n, k能得到解析解