Hi,
I am trying to calculate a function with a complete elliptic integral
of the 1st kind
I have defined
Phase = 4.*sqrt(p/(p -6. - 2.*e)) * ellipk(-4.*e/(p - 6. -2.*e))
where
a_mpc = 4.0
p = a_mpc * (1 - e**2.)
and I have of course done this
#!/usr/bin/env python
from pylab import *
But when calling the script, I get:
NameError: name 'ellipk' is not defined
What am I doing wrong? Any help will be very much appreciated.
Thanks a lot,
Pau
hey pau,
ellipk is in scipy.special:
#!/usr/bin/env python
from pylab import *
from scipy.special import ellipk
e=1.
a_mpc = 4.0
p = a_mpc * (1 - e**2.)
Phase = 4.*sqrt(p/(p -6. - 2.*e)) * ellipk(-4.*e/(p - 6. -2.*e))
greetings,
sebastian.
Hi,
didn't work...
ImportError: No module named scipy.special
this is fedora13...
thanks!
Pau
2010/10/8, Sebastian Busch <webmaster@...2599...>:
hey pau,
ellipk is in scipy.special:
#!/usr/bin/env python
from pylab import *
from scipy.special import ellipke=1.
a_mpc = 4.0
p = a_mpc * (1 - e**2.)
Phase = 4.*sqrt(p/(p -6. - 2.*e)) * ellipk(-4.*e/(p - 6. -2.*e))greetings,
sebastian.
2010/10/8, Sebastian Busch <webmaster@...2599...>:
hey pau,
ellipk is in scipy.special:
#!/usr/bin/env python
from pylab import *
from scipy.special import ellipke=1.
a_mpc = 4.0
p = a_mpc * (1 - e**2.)
Phase = 4.*sqrt(p/(p -6. - 2.*e)) * ellipk(-4.*e/(p - 6. -2.*e))greetings,
sebastian.
hey pau!
...
ImportError: No module named scipy.special
...
do you have scipy installed? i.e. does
import scipy
work? if so, what is
scipy.__version__
? here, it's 0.7.0...
if scipy is not installed, i think you need to install it in order to
access ellipk.
good luck 
sebastian.
On 10/09/2010 08:04 AM, Pau wrote: