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Plz find Fourier Series problem?

  1. Sep 22, 2009 #1
    Plz find urgent ::Fourier Series problem?

    Plz find urgent ::Fourier Series problem?
    given function on (-L,L)
    If f(x) is even(cosine series) ,odd(sine series) ,either(Fourier series)
    what f is given on arbitrary interval(a,b) ????
     
  2. jcsd
  3. Sep 23, 2009 #2

    lanedance

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    Re: Plz find urgent ::Fourier Series problem?

    hey chemical.ojas, don't really follow your question, also you shoukld try and attempt a solution and show your working
     
  4. Sep 23, 2009 #3
    Re: Plz find urgent ::Fourier Series problem?

    hey lanedance
    f(x) is given function its present on (-L,L)
    If f(x) is shifted to arbitrary interval (a,b) then what will be the Fourier series.?
    then i want cosine and sine series also.

    i tried by considering standard Fourier series.....but I have no Idea about how to shift the interval?
    i have one hint
    a intigral b f(x)=area/b-a = average
    but i have no idea how to use this hint.I tried a lot on this.
     
  5. Sep 23, 2009 #4

    lanedance

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    Re: Plz find urgent ::Fourier Series problem?

    so what does it mean to shift f(x) from (-L,L) to (a,b)

    does b-a = 2L or is the function stretched/compressed to fit in (a,b)?

    either way, to start, I would write you fourier sum explictly and apply the shift and have a think about what it tells you...
     
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