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Math Help - do you know the function for this taylor series?

  1. #1
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    do you know the function for this taylor series?

    hi all,

    I have the function given by taylor series \sum_{k=0}^\infty \frac{(-1)^k k!}{(2k-1)!} x^k

    anyone knows what this function could be? (or how it can be reduced to any known function)

    help would be greatly appreciated...
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  2. #2

  3. #3
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    great, many thanks!

    Dawson integral apparently (up to some rubbish)
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