28 Dec
2021
28 Dec
'21
10:24 a.m.
On Tue, 28 Dec 2021 16:41:24 +0800, Feng Feng <f.feng@outlook.com> said:
FF> Dear all, I am using the function to_polynomial to produce a FF> polynomial from a expression, it seems that to_polynomial does FF> not return a polynomial in some cases, as illustrated in the FF> following example, note that it works well on expression e2, FF> while it does nothing on e3 (e3=e2^2), and does not return a FF> polynomial. It will if you would apply expand() method to e3 first. -- Vladimir V. Kisil http://www.maths.leeds.ac.uk/~kisilv/ Book: Geometry of Mobius Transformations http://goo.gl/EaG2Vu Software: Geometry of cycles http://moebinv.sourceforge.net/