Difference between revisions of "ApCoCoA-1:BB.Border"

From ApCoCoAWiki
Line 17: Line 17:
 
     <see>BB.BorderBasis</see>
 
     <see>BB.BorderBasis</see>
 
     <see>BB.Box</see>
 
     <see>BB.Box</see>
 +
    <see>Package borderbasis</see>
 
     <key>kreuzer</key>
 
     <key>kreuzer</key>
 
     <key>bb.border</key>
 
     <key>bb.border</key>

Revision as of 11:18, 21 April 2009

BB.Border

border of an order ideal

Syntax

BB.Border(OO:LIST):LIST

Description

Computes the border of an order ideal OO. The input/output is a list of terms.

Example

Use Q[x,y,z];
BB.Border([1,x]);
[z, y, xz, xy, x^2]
-------------------------------

BBasis

BB.BorderBasis

BB.Box

Package borderbasis