Recent content by goos

  1. G

    Initial value problem for system of two diff. equation

    Hi, thank you for helping me. Your solution in working well, but my problem is a little bit complex like the one I posted. So, I would like you to look at it one more time. My main problem is determining b0 (initial value of b function) so that the initial an boundary values of y are y[0]=R1...
  2. G

    Initial value problem for system of two diff. equation

    sorry, R1=1
  3. G

    Initial value problem for system of two diff. equation

    Hi all! I have quiet a lot a problems solving and programing with Mathematica this system of diff. equations: y'[x] == 1/b[x], b'[x] == 1/ubb 1/(y[x] + R1) 1/b[x] (uba 1/(y[x] + R1) - ub), b[0] == b00, y[0] == 0 y[2] == Sqrt[5] where ubb, uba, ub are functions: ub = b[x] -...
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