Of course theta can't handle lists.
Try map instead: map(theta,[x,x^2,x^3]), because map applies the
function
to every list element.
Hope this helps =)
maldun
On Jan 14, 12:22 pm, Chris Swierczewski <cswie...@gmail.com> wrote:
> Does anyone know of an example where a class __call__ method takes lists as
> input? (With possible symbolic entries, of course.) I'm attempting to follow
> the structure of Function_sec (and similar functions) but when I try
>
> sage: var('x')
> sage: theta([x,x^2,x^3])
>
> I get the following error:
>
> Traceback (click to the left of this block for traceback)
> ...
> TypeError: descriptor '__call__' requires a
> 'sage.symbolic.function.Function' object but received a 'list'
>
> So for some reason my function isn't handling the symbolic input. Could
> somebody give some further guidance? Maybe a toy function that accepts vector
> input?
>
> Thanks,
>
> Chris
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