Mani chandra wrote:
> Hi,
>
> The following code is not plotting for some reason. The silder comes
> up and when I move it nothing happens.
>
> def exp_ikz_expansion(r, theta, l_max):
> s = 0
> for l in range(l_max):
> s = s + (2*l + 1)*I**l*spherical_bessel_J(l, r)*legendre_P(l,
> cos(theta) )
> return s
>
> r_, theta = var('r_, theta')
> x = r_*cos(theta)
> y = r_*sin(theta)
> z = exp_ikz_expansion(r_, theta, 10).real()
>
> @interact
> def _(r=(10.0), l_max=(0..20)):
> parametric_plot3d( [x, y, z], (r_, 0, r), (theta, 0, 2*pi) )
Use "show":
@interact
def _(r=(10.0), l_max=(0..20)):
show(parametric_plot3d( [x, y, z], (r_, 0, r), (theta, 0, 2*pi) ))
Jason
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