Package sagbi/SB.GetGens
From ApCoCoAWiki
< Package sagbi
Revision as of 13:39, 28 October 2020 by Andraschko (talk | contribs) (replaced quotes by <qoutes> tag)
| This article is about a function from ApCoCoA-2. |
SB.GetGens
Returns a set of generators of a given subalgebra
Syntax
SB.GetGens(S: TAGGED(<quotes>$apcocoa/sagbi.Subalgebra</quotes>)): LIST of POLY
Description
This function returns a set G such that S = K[g|g in G] where K is the coefficient ring of S.
@param S A subalgebra
@return a set of generators of S
Example
Use R ::= QQ[x,y,z]; S := SB.Subalgebra(R,[x^2,y+z]); PrintLn SB.GetGens(S); -- [x^2, y +z]
See also
Package sagbi/SB.GetTruncSAGBI
