DEAR PYTHON USERS
DO MATHEMATICAL FUNCTIONS HAVE LIMITATION IN PYTHON in comparison with other
programming languages
I have two mathematical functions:
from scipy.special import sph_jn, sph_jnyn
1) sph_jn (n, z) --- n is float, z is complex number for example: a,b=sph_jn
( 2.0 ,
Happyman bahtiyor_zohidov at mail.ru writes:
[clip]
IF I GIVE ( it is necessary value for my program ):
a , b = sph_jn ( 536 , 2513.2741228718346 + 201.0619298974676j )
The implementation of the spherical Bessel functions is through
this Fortran code:
Thanks Pauli
But I have already very shortly built for bessel function, but the code you
gave me is in Fortran.. I also used f2py but I could not manage to read fortran
codes..that is why I have asked in Python what is wrong??
Пятница, 21 декабря 2012, 12:46 UTC от Pauli Virtanen
Happyman bahtiyor_zohidov at mail.ru writes:
Thanks Pauli But I have already very shortly built for bessel
function, but the code you gave me is in Fortran.. I also used
f2py but I could not manage to read fortran codes..that is why
I have asked in Python what is wrong??
That Fortran code is
I have everything in C or Fortran...According to my friends recommendations I
started learning Python for my research...
Do you mean the functions which gave Nan result has not been developed properly
yet in Python, Don't you
For about 1.5 months I have been facing the same problem for
On 12/21/2012 02:30 PM, Happyman wrote:
I have everything in C or Fortran...According to my friends
recommendations I started learning Python for my research...
Do you mean the functions which gave Nan result has not been developed
properly yet in Python, Don't you
The way most of NumPy
Dag Sverre Seljebotn d.s.seljebotn at astro.uio.no writes:
[clip]
Do you have an implemention of the Bessel functions that work as you
wish in C or Fortran? If so, that could be wrapped and called from Python.
For spherical Bessel functions it's possible to also use the relation
to Bessel
Received from Pauli Virtanen on Fri, Dec 21, 2012 at 08:59:02AM EST:
Dag Sverre Seljebotn d.s.seljebotn at astro.uio.no writes:
[clip]
Do you have an implemention of the Bessel functions that work as you
wish in C or Fortran? If so, that could be wrapped and called from Python.
For
I think you advised about the code which is the same appearance.
==
Problem is not here Sir
I will give you exactly what I was talking about. I have ready codes already(It
would be kind of you if you checked the
Hi,
Your code tries to to evaluate
z = 1263309.3633394379 + 101064.74910119522j
jv(536, z)
# - (inf+inf*j)
In reality, this number is not infinite, but
jv(536, z) == -2.3955170861527422e+43888 + 9.6910119847300024e+43887
These numbers (~ 10^43888) are too large for the
Thanks
But I could find for Win64 bit windows
Second question: Did you mean that I have to put lens limits of those
number???
Пятница, 21 декабря 2012, 15:45 UTC от Pauli Virtanen p...@iki.fi:
Hi,
Your code tries to to evaluate
z = 1263309.3633394379 + 101064.74910119522j
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