# [SciPy-user] Is there a modified bessel function of the second kind in scipy?

Lou Pecora lou_boog2000@yahoo....
Wed Apr 9 12:55:20 CDT 2008

```Yes, modified of the 3rd kind (SciPy) should be the
same as modified 2nd kind.  see
http://en.wikipedia.org/wiki/Bessel_function

--- lorenzo bolla <lbolla@gmail.com> wrote:

> Aren't the "modified bessel functions of the second
> kind" also known as
> "modified bessel functions of the third kind"?
>
>
http://mathworld.wolfram.com/ModifiedBesselFunctionoftheSecondKind.html
>
http://en.wikipedia.org/wiki/Bessel_function#Modified_Bessel_functions_:_I.CE.B1.2CK.CE.B1
>
> L.
>
> On Wed, Apr 9, 2008 at 10:42 AM, zhang chi
> <zhangchipr@gmail.com> wrote:
>
> > I only find the following functions, and don't
> find a modified bessel
> > function of the second kind.
> >
> > thank you
> >
> >
> > *  jn       -- Bessel function of integer order
> and real argument.
> > *  jv       -- Bessel function of real-valued
> order and complex argument.
> > *  jve      -- Exponentially scaled Bessel
> function.
> > *  yn       -- Bessel function of second kind
> (integer order).
> > *  yv       -- Bessel function of the second kind
> (real-valued order).
> > *  yve      -- Exponentially scaled Bessel
> function of the second kind.
> > *  kn       -- Modified Bessel function of the
> third kind (integer order).
> > *  kv       -- Modified Bessel function of the
> third kind (real order).
> > *  kve      -- Exponentially scaled modified
> Bessel function of the third
> > kind.
> > *  iv       -- Modified Bessel function.
> > *  ive      -- Exponentially scaled modified
> Bessel function.
> >
> > _______________________________________________
> > SciPy-user mailing list
> > SciPy-user@scipy.org
> >
>
http://projects.scipy.org/mailman/listinfo/scipy-user
> >
> >
>
>
> --
> Lorenzo Bolla
> lbolla@gmail.com
> http://lorenzobolla.emurse.com/
> > _______________________________________________
> SciPy-user mailing list
> SciPy-user@scipy.org
>
http://projects.scipy.org/mailman/listinfo/scipy-user
>

-- Lou Pecora,   my views are my own.

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