Difference between revisions of "ApCoCoA-1:BB.GenMultMat"
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<command> | <command> | ||
| − | <title> | + | <title>BB.GenMultMat</title> |
<short_description>generic multiplication matrix</short_description> | <short_description>generic multiplication matrix</short_description> | ||
<syntax> | <syntax> | ||
| − | + | BB.GenMultMat(I:INT,OO:LIST):MAT | |
</syntax> | </syntax> | ||
<description> | <description> | ||
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</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>.
