Question

intetegration of Exp[x^-2]

Answer 1

http://openstudy.com/users/mukushla#/updates/5033717de4b0d8ed9b49b5b9

Answer 2

see the last reply there

Answer 3

sorry for my mistake its e power(1/x2)

Answer 4

oh ... lol ...sorry

Answer 5

\[\huge \int e^{\frac{1}{x^2}} \ dx \]?

Answer 6

i think there is no closed form for this integral

Answer 7

ya....

Answer 8

my original integral was like this....
integral(x^2 Exp(1/x^6)) from there i came into this form.

Answer 9

still there is no closed form... but it has to do something with erf or something

http://www.wolframalpha.com/input/?i=integrate+e%5E%281%2Fx%5E2%29&dataset=

Answer 10

http://www.wolframalpha.com/input/?i=integrate++x%5E2+e%5E%281%2Fx%5E6%29

Answer 11

imaginary error function!!

Answer 12

http://mathworld.wolfram.com/Erfi.html