作者TsungMingC (TMC)
看板Math
标题[工数] ODE
时间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
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◆ From: 163.22.18.57
1F：→ doom8199 :Z' + cos(x)*Z = -1 with Z = exp(-y) 04/03 17:57