I still get Pari errors when I do what you are describing - did you
actually get that to work?
-M. Hampton
On May 21, 11:27 am, Jason Grout <[EMAIL PROTECTED]> wrote:
> Marshall Hampton wrote:
> > I thought it would be cool to see a vector field plot with the real
> > and imaginary parts, but for some reason it doesn't work. Anyone know
> > why not?
>
> > i=CDF.0
> > tau=i
> > Om=pari([1,tau])
> > var('x,y')
> > def g(a,b):
> > q = CDF(Om.ellwp(a+b*i))
> > return (float(q.real()),float(q.imag()))
> > plot_vector_field(g(x,y), (.1,.9), (.1,.9))
>
> plot_vector_field takes two functions currently. I don't see any reason
> it shouldn't be extended to take one function that returned two outputs,
> though.
>
> For now, at the cost of doing twice the computations, you could do
> something like:
>
> plot_vector_field((g_real(x,y), g_imag(x,y)), ...)
>
> where g_real and g_imag return the real and imaginary parts of g(x,y)
>
> Jason
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