ApCoCoA-1:BB.GenHomMultMat: Difference between revisions

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<command>
<command>
     <title>borderbasis.GenHomMultMat</title>
     <title>borderbasis.GenHomMultMat</title>
     <short_description>Compute generic hom. mult. matrix w.r.t. order ideal</short_description>
     <short_description>generic homogeneous multiplication matrix</short_description>
<syntax>
<syntax>
$borderbasis.GenHomMultMat(I:INT,OO:LIST):MAT
$borderbasis.GenHomMultMat(I:INT,OO:LIST):MAT

Revision as of 11:56, 8 November 2007

borderbasis.GenHomMultMat

generic homogeneous multiplication matrix

Syntax

$borderbasis.GenHomMultMat(I:INT,OO:LIST):MAT

Description

Computes the generic homogeneous multiplication matrix for <formula>x[I]</formula> with respect to the order ideal OO. The input is a positive integer I and an order ideal OO (2nd element of type POLY). The output is a matrix of size <formula>Mu<times/>Mu</formula> over the ring <formula>BBS=K[c_{ij}]</formula>.