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

From ApCoCoAWiki
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   <title>BB.Border</title>
 
   <title>BB.Border</title>
 
   <short_description>Compute the border of an order ideal.</short_description>
 
   <short_description>Compute the border of an order ideal.</short_description>
   <syntax>BB.Border(OO:LIST):LIST</syntax>
+
    
 +
<syntax>
 +
BB.Border(OO:LIST):LIST
 +
</syntax>
 
   <description>
 
   <description>
 
Computes the border of an order ideal OO. The input/output is a list of terms.
 
Computes the border of an order ideal OO. The input/output is a list of terms.

Revision as of 14:44, 24 April 2009

BB.Border

Compute the 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.

  • @param OO A list of terms representing an order ideal.

  • @return A list of border terms of OO.

Example

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

BBasis

BB.BorderBasis

BB.Box