Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Eigenfunctions. help

  1. Mar 18, 2012 #1
    eigenfunctions. help!!

    I would be very grateful for any help on the following question:

    Find any single eigenvalue-eigenfunction pair, with a real eigenvalue, for the
    following operator:

    [itex]\textit{L}[/itex] = ([itex]\partial^2[/itex]/[itex]\partial[/itex]x) + ([itex]\partial[/itex]/[itex]\partial[/itex]x) + 2Id

    subject to the initial boundary conditions u(0)=u(pi)=0
     
  2. jcsd
  3. Mar 19, 2012 #2

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    welcome to pf!

    hi chappyform! welcome to pf! :wink:

    show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
     
  4. Mar 19, 2012 #3

    HallsofIvy

    User Avatar
    Staff Emeritus
    Science Advisor

    Re: eigenfunctions. help!!

    Since the derivatives are only with respect to x, you don't really need the partial derivatives.
     
  5. Mar 21, 2012 #4
    Re: eigenfunctions. help!!

    what is 2Id?
     
  6. Mar 22, 2012 #5

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    twice the identity! :wink:
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Eigenfunctions. help
  1. Eigenfunction again! (Replies: 4)

Loading...