ASKSAGE: Sage Q&A Forum - RSS feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Fri, 22 Oct 2021 07:13:20 +0200How to define Subring/Subalgebra?https://ask.sagemath.org/question/59441/how-to-define-subringsubalgebra/Suppose A=QQ[x,y,z]. How to define the subring QQ[x+y,y^2] and its ideal I=(x+y) in sagemath?Snjay SinghaFri, 22 Oct 2021 07:13:20 +0200https://ask.sagemath.org/question/59441/subring definedhttps://ask.sagemath.org/question/59440/subring-defined/ Suppose A=QQ[x,y,z]. How to define the subring QQ[x,x+y,y^2] and its ideal?Snjay SinghaFri, 22 Oct 2021 07:10:57 +0200https://ask.sagemath.org/question/59440/