There is also the MatrixSymbol class that may be better here. The
DeferredVector was created with a very narrow need for the lambdify
functions, I wouldn't recommend using it for anything other.
Jason
moorepants.info
+01 530-601-9791
On Wed, Aug 19, 2015 at 12:57 PM, Aaron Meurer <asmeu...@gmail.com> wrote:
> It doesn't look like there is. DeferredVector just works by creating
> Symbol('x[0]'). I think for the use-case it was designed for, this is fine.
> You probably want to be using Indexed and IndexedBase instead.
>
> Aaron Meurer
>
> On Wed, Aug 19, 2015 at 6:07 AM, Nico <nico.schloe...@gmail.com> wrote:
>
>> After defining a vector `x` and one of its components, say `x0`,
>> ```
>> import sympy
>> x = sympy.DeferredVector('x')
>> x0 = x[0]
>> ```
>> is there any way to relate `x0` back to `x`? I.e., I'm looking for a
>> Boolean function that returns `True` for the question "Is x0 a component of
>> x?"
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "sympy" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to sympy+unsubscr...@googlegroups.com.
>> To post to this group, send email to sympy@googlegroups.com.
>> Visit this group at http://groups.google.com/group/sympy.
>> To view this discussion on the web visit
>> https://groups.google.com/d/msgid/sympy/906550a7-f11d-4ccd-a097-0f47f1fff0a0%40googlegroups.com
>> <https://groups.google.com/d/msgid/sympy/906550a7-f11d-4ccd-a097-0f47f1fff0a0%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>> For more options, visit https://groups.google.com/d/optout.
>>
>
> --
> You received this message because you are subscribed to the Google Groups
> "sympy" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to sympy+unsubscr...@googlegroups.com.
> To post to this group, send email to sympy@googlegroups.com.
> Visit this group at http://groups.google.com/group/sympy.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/sympy/CAKgW%3D6Lw%3D5K%3DpG0pijtff1wv-%3DW3cS650PN3pN%2BPQ_EQtaPR4w%40mail.gmail.com
> <https://groups.google.com/d/msgid/sympy/CAKgW%3D6Lw%3D5K%3DpG0pijtff1wv-%3DW3cS650PN3pN%2BPQ_EQtaPR4w%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>
> For more options, visit https://groups.google.com/d/optout.
>
--
You received this message because you are subscribed to the Google Groups
"sympy" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to sympy+unsubscr...@googlegroups.com.
To post to this group, send email to sympy@googlegroups.com.
Visit this group at http://groups.google.com/group/sympy.
To view this discussion on the web visit
https://groups.google.com/d/msgid/sympy/CAP7f1Ah%3D1mTpUZL7QkMu6SEkcsriEFnVxgP92gi29Y%3D%2BhMdtww%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
