Recent content by ceejay2000

  1. C

    Hopf Bifurcation - Nonlinear Diff Eqns

    Bump Anyone got any ideas about this? Still haven't figured out if/where I might have gone wrong!
  2. C

    Hopf Bifurcation - Nonlinear Diff Eqns

    Homework Statement http://www.freeimagehosting.net/t/9369y.jpg Homework Equations The Attempt at a Solution a) is as follows: http://www.freeimagehosting.net/t/4oqft.jpg Then for b), I have the equilibria as (0,0,0) and (r-1,\frac{r-1}{r},\frac{(r-1)^2}{r}) To...
  3. C

    Biology Differential Equations/Dimensional Analysis

    That was really helpful; thanks for your time!
  4. C

    Biology Differential Equations/Dimensional Analysis

    http://img209.imageshack.us/img209/7596/mbiolq1.jpg Hi PF, any help with parts a, b and c would be most appreciated. I haven't had a go at these simply because I don't know where to start. There are parts d) etc. onwards that I have done already; it seems to be the simple stuff I struggle...
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