作者TsungMingC (TMC)
看板Math
標題[工數] ODE
時間Sun Apr 3 15:46:29 2011
solve the following D.E.
y
y'-e = cosx
could someone please give me a hint to solve the nonlinear problem
thanks
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 163.22.18.57
1F:→ doom8199 :Z' + cos(x)*Z = -1 with Z = exp(-y) 04/03 17:57