ApCoCoA-1:BB.GenMultMat: Difference between revisions

From ApCoCoAWiki
KHiddemann (talk | contribs)
second element
KHiddemann (talk | contribs)
new alias
Line 1: Line 1:
<command>
<command>
     <title>borderbasis.GenMultMat</title>
     <title>BB.GenMultMat</title>
     <short_description>generic multiplication matrix</short_description>
     <short_description>generic multiplication matrix</short_description>
<syntax>
<syntax>
$borderbasis.GenMultMat(I:INT,OO:LIST):MAT
BB.GenMultMat(I:INT,OO:LIST):MAT
</syntax>
</syntax>
     <description>
     <description>
Line 9: Line 9:
     </description>
     </description>
     <key>kreuzer</key>
     <key>kreuzer</key>
    <key>bb.genmultmat</key>
     <key>borderbasis.genmultmat</key>
     <key>borderbasis.genmultmat</key>
     <wiki-category>Package_borderbasis</wiki-category>
     <wiki-category>Package_borderbasis</wiki-category>
</command>
</command>

Revision as of 19:47, 8 November 2007

BB.GenMultMat

generic multiplication matrix

Syntax

BB.GenMultMat(I:INT,OO:LIST):MAT

Description

Computes the generic multiplication matrix for <formula>x[I]</formula> with respect to an order ideal. The inputs are an integer I and a list OO of terms that specify an order ideal. The second element of OO must be a non-constant polynomial. The output is a matrix of size <formula>Mu<times/>Mu</formula> over the ring <formula>BBS=K[c_{ij}]</formula>.