| [ QuizWit ] in KIDS 글 쓴 이(By): cycho (멋진척™) 날 짜 (Date): 2002년 10월 15일 화요일 오전 05시 44분 35초 제 목(Title): [q] differential eq >I have this nonlinear differential equation to solve, but it >has been a long time ago for me to solve this kind of equation. Also, >this one is not that simple. Here is the equation that I am wondering... >A (dq2/dt2) = B sinq - C (dq/dt) : A, B, C = constant > > This is not the problem of "simple pendulum" This is the rotating rod >around of the center of mass (360 o). |