Difference between revisions of "ApCoCoA-1:BB.GenMultMat"
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| − | Computes the generic 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 | + | Computes the generic 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>. |
</description> | </description> | ||
<key>Kreuzer</key> | <key>Kreuzer</key> | ||
Revision as of 20:46, 2 November 2007
borderbasis.GenMultMat
Compute generic mult. matrix w.r.t. order ideal
Syntax
$borderbasis.GenMultMat(I:INT,OO:LIST):MAT
Description
Computes the generic 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>.
