t****e 发帖数: 25 | 1 how to do it? any link?
integral of exp( x^2)dx
what is the answer between (0,1)
Thanks! |
d******e 发帖数: 7844 | 2 网上正态分布的证明到处都是
【在 t****e 的大作中提到】 : how to do it? any link? : integral of exp( x^2)dx : what is the answer between (0,1) : Thanks!
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s******h 发帖数: 539 | 3 1. It's not the same as normal density integration;
2. In general, it's about the error function on complex plane;
http://en.wikipedia.org/wiki/Error_function
3. Check out this link
http://integrals.wolfram.com/index.jsp?expr=Exp[x^2]&random=false
4. Numerically it equals 1.46265 ( You can even use Taylor expansion to
get this easily!) |
t****e 发帖数: 25 | 4
Finally there is someone who understands the real problem;)
Thanks a ton!
【在 s******h 的大作中提到】 : 1. It's not the same as normal density integration; : 2. In general, it's about the error function on complex plane; : http://en.wikipedia.org/wiki/Error_function : 3. Check out this link : http://integrals.wolfram.com/index.jsp?expr=Exp[x^2]&random=false : 4. Numerically it equals 1.46265 ( You can even use Taylor expansion to : get this easily!)
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