Not sure how to go about doing that. Anyways I tried running the code
for the previous bessel functions I successfully plotted, and the
error shows up as well. Looks like there is an issue with the sage
code not sure where, and what I can do about it. Also I keep the
previous version on hand in cause I have an issue however the same
error pops up.
On Jan 19, 4:17 pm, Michael Orlitzky <mich...@orlitzky.com> wrote:
> On 01/19/2012 05:57 PM, Eric Kangas wrote:
>
> > I have worked with bessel functions before and haven't had a problem
> > until now.
>
> > Code:
> > -----
> > r,p,z,ro,gro,g,k = var('r, p, z,ro,gro,g,k')
> > g = 1; k = 1; ro = 1; gro = 1
>
> > def Psi(r,z): return lambda r,z: (r*bessel_J(1, g*r))/(ro*bessel_J(1,
> > gro))*cos(k*z) if y != 0 and t != 0 else infinity
>
> > Error:
> > -----
>
> > Syntax Error
>
> What are 'y' and 't'? When did it crash -- while you were typing it in,
> when Psi was called, or when the returned function was called?
>
> I tried guessing at some inputs and haven't seen the error. If you could
> come up with a test case it would help!
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