[理工] [工數]-ODE

[ooopppeeennn (open)]

 1.y'-xy"-(y")^3 =1



 我也不曉得是

 哪種ode = =

 拜託各位啦~

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 59.113.60.4