ApCoCoA-1:BB.GenHomMultMat: Difference between revisions

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     <key>borderbasis.genhommultmat</key>
     <key>borderbasis.genhommultmat</key>
     <key>borderbasisgenhommultmat</key>
     <key>borderbasisgenhommultmat</key>
     <wiki-category>Package_borderbasis|GenHomMultMat</wiki-category>
     <wiki-category>Package_borderbasis</wiki-category>
</command>
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Revision as of 19:25, 24 October 2007

borderbasis.GenHomMultMat

Computes the generic homogeneous mult. matrix for x[I] with respect to the order ideal OO

Syntax

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

Description

Computes the generic homogeneous multiplication matrix for x[I] 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 Mu x Mu over the ring BBS=K[c_{ij}]