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An integration problem

  1. Feb 12, 2006 #1
    I'm doing a diff eq problem and I got stuck on the part where I have to integrate
    e^(x^2)dx. I tried using substitution but that didn't work :confused: ... any ideas?
     
  2. jcsd
  3. Feb 12, 2006 #2

    Tide

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    There's a good reason why you're getting stuck - there is no simple expression for the integral you're trying to evaluate.
     
  4. Feb 13, 2006 #3
    if it is definite integral you can evaluate by double integral and transformation to polar. if it is indefinite, a good way to evaluate it is integrate its polynomial expansion. but itself doesnt have an antiderivative
     
  5. Feb 13, 2006 #4
    Got it =) Thanks for pointing me in that direction.
     
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