On Dec 13, 2007 11:08 AM, pgdoyle <[EMAIL PROTECTED]> wrote:
>
> Let me simplify the question.
>
> Is there a better way to get Mathematica to go off and compute a
> Bessel function for me than this:
>
> def math_bessel_K(nu,x):
> m=mathematica('N[BesselK['+str(mathematica(nu))
> +','+str(mathematica(x))+'],20]')
> return m.sage()
Yes there is, and you might even find this impressive:
def math_bessel_K(nu,x):
return mathematica(nu).BesselK(x).N(20).sage()
Use it:
sage: math_bessel_K(2,I)
0.180489972066962*I - 2.592886175491197
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