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elliptic integrals [message #18640] Tue, 25 January 2000 00:00 Go to next message
Tom Intrator is currently offline  Tom Intrator
Messages: 1
Registered: January 2000
Junior Member
do you have any thing that would compute elliptic integrals?

I need the complete ones K,E but for arguments m>1 (terminology as per
Abramowitz and Stegun) This requires computation of some incomplete ones
as well

I am using IDL for this


thanks

Tom Intrator
Re: elliptic integrals [message #75004 is a reply to message #18640] Wed, 09 February 2011 12:56 Go to previous message
Gray is currently offline  Gray
Messages: 253
Registered: February 2010
Senior Member
On Feb 9, 3:51 pm, Gray <grayliketheco...@gmail.com> wrote:
> On Feb 9, 1:03 pm, Jeremy Bailin <astroco...@gmail.com> wrote:
>
>> To answer my own question, it looks like there is with the IMSL license. Oh well.
>
>> -Jeremy.
>
> I actually spent some time on that problem a little while ago.  I'll
> take a look and see if I can find what I wrote.

Oh, ok. I think what I ended up doing was using QROMB() and defining
a function to evaluate the elliptic integral as defined by wikipedia.
You could certainly use something more sophisticated.
Re: elliptic integrals [message #75005 is a reply to message #18640] Wed, 09 February 2011 12:51 Go to previous message
Gray is currently offline  Gray
Messages: 253
Registered: February 2010
Senior Member
On Feb 9, 1:03 pm, Jeremy Bailin <astroco...@gmail.com> wrote:
> To answer my own question, it looks like there is with the IMSL license. Oh well.
>
> -Jeremy.

I actually spent some time on that problem a little while ago. I'll
take a look and see if I can find what I wrote.
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