Difference between revisions of "Package sagbi/SB.GetRing"
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Andraschko (talk | contribs) (Created page with "{{Version|2}} <command> <title>SB.GetRing</title> <short_description>Returns the superring of a given subalgebra.</short_description> <syntax>SB.GetRing(S: TAGGED("$a...") |
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<see>Package sagbi/SB.GetID</see> | <see>Package sagbi/SB.GetID</see> | ||
<see>Package sagbi/SB.GetGens</see> | <see>Package sagbi/SB.GetGens</see> | ||
Revision as of 14:21, 26 October 2020
| This article is about a function from ApCoCoA-2. |
SB.GetRing
Returns the superring of a given subalgebra.
Syntax
SB.GetRing(S: TAGGED("$apcocoa/sagbi.Subalgebra")): RING
Description
This function returns the superring of a given subalgebra S, i.e. the ring R which S is a subalgebra of.
@param S A subalgebra
@return The superring of S
Example
Use R ::= QQ[x,y,z]; S := SB.Subalgebra(R,[x^2,y+z]); PrintLn SB.GetRing(S); -- RingWithID(1217, "QQ[x,y,z]")
See also
Package sagbi/SB.GetTruncSAGBI
