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Math Help - Math compare problem

  1. #1
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    Math compare problem

    Why come out this result?
    Can anyone explain it? Please see the attached file
    Thanks
    Attached Thumbnails Attached Thumbnails Math compare problem-12121.jpg  
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by cyw1984 View Post
    Why come out this result?
    Can anyone explain it? Please see the attached file
    Thanks
    Because over the interval [0,pi] the functions sin(nx), n=1, 2, .. are
    orthogonal, and so the coefficients of multiples of sin(nx) on one side must
    be the same as those on the other of such an equation (with a few
    assumptions about the nature of the T's anyway - such as the T's and
    their second derivatives are integrable on [0,pi], and that we are only interested
    in their values on [0,pi] or they are odd priodic functions of period 2pi )

    RonL
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  3. #3
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    Thx...........
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