Re: [isabelle-dev] reflect_poly

2018-04-16 Thread Akihisa Yamada

Dear Manuel,


There are definitely books out there that call it the "reflected
polynomial", and that's what my undergraduate discrete maths course
called it, so that's what I called it.


oh I'm fine with the naming if it's textbook-level standard. I wouldn't 
have raised this if there were a reference in the thy file, though.


BTW, Google-books search will find
"reciprocal polynomial": 152
"reverse polynomial": 118
"reflected polynomial": 18
(try to access the last hit, otherwise reciprocal looks dominant).

So "rev_poly" seems to be a good option (in connection with rev, obviously).

Best,
Akihisa
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Re: [isabelle-dev] reflect_poly

2018-04-16 Thread Manuel Eberl
There are definitely books out there that call it the "reflected
polynomial", and that's what my undergraduate discrete maths course
called it, so that's what I called it.

Still, a quick Google search suggests that the terminology you suggest
is more common. I think I'd probably go with "recip_poly".

Manuel


On 2018-04-16 06:52, Akihisa Yamada wrote:
> Dear HOL-Computational_Algebra developers,
> 
> how about renaming "reflect_poly" in Polynomial.thy to "reciprocal_poly"?
> 
> It seems to be standard to call them "reciprocal polynomials", cf.
> https://en.wikipedia.org/wiki/Reciprocal_polynomial, and the current
> naming wants an extra sentence to relate the notions in paper writing.
> 
> Best regards,
> Akihisa
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