Re: Help coding some math i have little understanding of

Not the same paper but looks pretty similar, both links seem to show the
same paper.

https://www.ipen.br/biblioteca/cd/ieee/1999/Proceed/00465.pdf
https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=667734&tag=1


It's an infinite series solution and with Br and Bphi one can construct the
whole 3D vector field because Bz is almost the same as Bphi in this case.

In addition to here, you could also consider posting an answer in
Electronics Stack Exchange, but have a look around first, questions need to
be supported with all links, you should mention python and explain how far
you've gotten and where you're stuck.




On Sat, Dec 5, 2020 at 6:17 AM Robert Kern <[email protected]> wrote:

> On Wed, Dec 2, 2020 at 4:45 PM Schuldei, Andreas <
> [email protected]> wrote:
>
>> I want to 3d plot the magnetic field of a twisted three phase cable, and
>> found a paper giving the analytical solution of the field like
>> <https://imgur.com/a/WeNuveE>this <https://imgur.com/a/WeNuveE#9aelprK>.
>>
>> There are more details in the paper, of course. Now I dont feel confident
>> with this kind of math. Where can i find someone willing to help me with
>> this? Its research in university, no coorporation involved. I would need
>> help writing code representing these equations in python, calculating the
>> field`s vecors in one point r, phi. I dont ask that you do the work for me,
>> I am not dense either. its just that i dont even know where to start with
>> this math.
>>
>>
>> Who ever wants to have a look at the whole paper for further details, it
>> is
>> <https://drive.google.com/file/d/1CuXA0Elgw1RsjzLpO7YQ9gDgF41_ToHT/view?usp=sharing>
>> <https://drive.google.com/file/d/1CuXA0Elgw1RsjzLpO7YQ9gDgF41_ToHT/view?usp=sharing>
>> .
>>
> Hi Andreas,
>
> The link to the whole paper didn't make it through. We would need to see
> that for enough context to help. Spherical coordinates have an
> overabundance of notational conventions, so we'd need to see the whole text
> to see what they intended.
>
> --
> Robert Kern
> _______________________________________________
> SciPy-User mailing list
> [email protected]
> https://mail.python.org/mailman/listinfo/scipy-user
>

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