On Tue, 13 Jun 2023 15:55:55 +0000, Vitaly Magerya <vmagerya@gmail.com> said:
VM> Hi, all. I'm trying to expand expressions into series, and I've VM> run into a case which looks broken (with the latest GiNaC): ginsh> series((x+x^2)^2,x,0); VM> (Order(1)^2)*x^(-2)+Order(1) VM> What I expect is Order(1) here, because the expression starts at VM> O(x^2). Note, you will get the expected Order(1) if the expression (x+x^2)^2 would be expended before the series evaluation. Yet we still may consider it as a bug rather tan feature... -- Vladimir V. Kisil http://www1.maths.leeds.ac.uk/~kisilv/ Book: Geometry of Mobius Maps https://doi.org/10.1142/p835 Soft: Geometry of cycles http://moebinv.sourceforge.net/ Jupyter notebooks: https://github.com/vvkisil?tab=repositories