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

Homework Help: Sine integral (sinc integral) question

  1. Oct 2, 2008 #1
    How might I find the integral solution for the following:

    (Sorry for the poor notation)

    [tex]\int[/tex]sinc(4x*[tex]\sqrt{(1-2/x)}[/tex]) dx from -[tex]\infty[/tex] to [tex]\infty[/tex]
  2. jcsd
  3. Oct 3, 2008 #2
    i find your writting a little bit ambiguous, what is 'sinc'?
  4. Oct 3, 2008 #3
  5. Oct 3, 2008 #4
    Put the argument of the sinc equal to u, then the integral becomes:

    sin(u)/u 1/(du/dx)

    Express du/dx in terms of u.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook