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Gaussian math problem

  1. Mar 23, 2014 #1
    For a gaussian of the form:


    How is a related to the width of the graph? I can see that if I compare with a normal distribution

    a = 1/2σ2. Is that correct?
  2. jcsd
  3. Mar 23, 2014 #2


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    What do you mean by "width" of the graph? Where are you measuring the "width"? Between x= -1 and x= 1 the width is [itex]e^{-a^2}[/itex]. As for "[itex]a= 1/2\sigma^2[/itex]", that makes no sense because there is no "[itex]\sigma[/itex]" in the original function.
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