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Some help

  1. Jan 27, 2012 #1
    Hi
    can anyone help me with this integral ???

    the integral of e to the power of x^-2, and this integral from 0 to x/√2

    thanks
     
  2. jcsd
  3. Jan 27, 2012 #2
    There is no answer in terms of elementary functions. This is a fact in probably every calculus book. However, the integral is used commonly in statistics, and so it can be evaluated using a Gaussian or the erf (error) function:

    http://en.wikipedia.org/wiki/Error_function
     
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