Does anybody know how to solve the above integral ? I'm quite out of ideas. Thx in advance.

Printable View

- January 22nd 2006, 05:54 AMopcodeA nasty integration

Does anybody know how to solve the above integral ? I'm quite out of ideas. Thx in advance. - January 22nd 2006, 11:07 AMThePerfectHacker
I do not have time to do this problem now, but the first thing I thought of is using integration by parts.

- January 22nd 2006, 01:48 PMopcode
I thought of that too but that square root won't go away or transform to something easy to integrate.

- January 22nd 2006, 02:08 PMThePerfectHacker
Are you certain it is possible? Was it in your book?

- January 22nd 2006, 02:48 PMJameson
Mathematica cannot do it and I know of no method to solve it.

- January 22nd 2006, 03:15 PMThePerfectHackerQuote:

Originally Posted by**Jameson**

- January 22nd 2006, 04:15 PMThePerfectHacker
Here I graphed it. It looks like an exponential integral,

its regression squared it .9789

Also its equation is:

- January 22nd 2006, 09:49 PMearbothQuote:

Originally Posted by**opcode**

try this:

When integrate this: you'll get an arsinh-function.

I'm in a hurry now. Hope that this hint is of some help for you.

Bye - January 23rd 2006, 04:53 AMopcode
First of all I want to thank you all for the help. This integral wasn't in my book. It resulted from a curve integral. I made some changes to the parameters and I managed to avoid it. Anyhow it would be interesting to manage to integrate it. But that might even be impossible with the current means. I don't know.