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Math Help - Need help squaring and integrating a function

  1. #1
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    Need help squaring and integrating a function

    \[
    \mbox{bias}_h(x)=\frac{1}{2}h^2f''(x)k_2+\frac{1}{24}h^4f''''(\xi)k_4
    \]

    hi sorry I dont know how to get latex on here. I need the integarted square bias of this function. That is It needs to be squared and then integrated between +and- infinity. If you can do this or show me how to do it the I would be extremely grateful. Could you show your working if you are solving.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by markrvr View Post
    \[
    \mbox{bias}_h(x)=\frac{1}{2}h^2f''(x)k_2+\frac{1}{24}h^4f''''(\xi)k_4
    \]

    hi sorry I dont know how to get latex on here. I need the integarted square bias of this function. That is It needs to be squared and then integrated between +and- infinity. If you can do this or show me how to do it the I would be extremely grateful. Could you show your working if you are solving.
    Could you retype it in plain ascii (or raw LaTeX)

    CB
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  3. #3
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    That is in raw latex I use texshell to write it.
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  4. #4
    Grand Panjandrum
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    Quote Originally Posted by markrvr View Post
    That is in raw latex I use texshell to write it.
    Then try it in ascii

    (is that gibberish what you see on the screen in texshell? - because it is not LaTeX source it should read:

    \[
    \mbox{bias}_h(x)=\frac{1}{2}h^2f''(x)k_2+\frac{1}{ 24}h^4f''''(\xi)k_4
    \]

    <br />
\mbox{bias}_h(x)=\frac{1}{2}h^2f''(x)k_2+\frac{1}{  24}h^4f''''(\xi)k_4<br />

    CB
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  5. #5
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    I dont know what ascii is mate
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  6. #6
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    "ASCII" (American Standard Code for Information Interchange- the standard code used in computers for standard keyboard symbols, control, alt, etc.), here, just means ordinary text: int (x^2+ 1)dx for example.

    To write what you have in LaTex on this board use [ math ] and [ /math ] (without the spaces) instead of your "\[" and "\]".
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