Recent content by motavassely

  1. M

    Graduate Solving ẍ = -⅙ẋ - (2/7)(1-S)² for analytic solution

    a bit more sophisticated solution, please!
  2. M

    Graduate Solving ẍ = -⅙ẋ - (2/7)(1-S)² for analytic solution

    Unfortunately not. It's not a Bernoulli? DE.
  3. M

    Graduate Solving ẍ = -⅙ẋ - (2/7)(1-S)² for analytic solution

    Hi all, I have a nonlinear differential equation and I need to find an analytic solution for it. Here it is: \ddot{S}=-{1 \over 6} \dot{S}-{2 \over 7}(1-S)^2(- \dot{S})^{1.3} I have used a transformation to simplify it: -\dot S = v and came up with this DE which I couldn't solve...
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