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Homework Help: 2nd order PDE charcteristics help please! :S

  1. Sep 30, 2006 #1
    hi all, sorry again for the thousands of stupid questions! :P but heres another one...

    http://img88.imageshack.us/img88/3209/picture13df1.png [Broken]

    ok i said for part (a) that the PDE is a hyperbolic type and so has two sets of real characteristics. and that the characteristics are http://img100.imageshack.us/img100/7770/picture14dj6.png [Broken]

    then for part (b) i used the coordinates:
    http://img86.imageshack.us/img86/5987/picture15ct2.png [Broken]

    which leads to the equation:
    http://img301.imageshack.us/img301/5215/picture16yi2.png [Broken]

    but then i am stuck... how can i get the 'general solution' from this, i think i am heading in the right direction, but i am not sure.

    any help would be greatly appreciated!


    Sarah :)
    Last edited by a moderator: May 2, 2017
  2. jcsd
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