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Math Help - Bessel function

  1. #1
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    Bessel function

    The solution of the initial value problem
    (x^2)y'' +xy'+(x^2)y = 0 y(0)=1 y'(0)= 0

    is called a Bessel function function of order 0

    Solve the initial value problem to find a power series expansion for the Bessel function

    Thanks in advance
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  2. #2
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    Quote Originally Posted by Csou090490 View Post
    The solution of the initial value problem
    (x^2)y'' +xy'+(x^2)y = 0 y(0)=1 y'(0)= 0

    is called a Bessel function function of order 0

    Solve the initial value problem to find a power series expansion for the Bessel function

    Thanks in advance
    Say x>0.

    Since LaTeX is down and I do not want to solve this by posting math codes. And further this is an irregular point at the center of the series, we need to use the Frobenius method which takes much longer. I will just give you the answer.

    (I gave you the general solution for x>0 yet in your initial value problem you gave x=0. That is a problem, maybe you meant something else).
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