ApCoCoA-1:DA.Weight: Difference between revisions
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<command> | <command> | ||
<title> | <title>DA.Weight</title> | ||
<short_description>the weight of a differential polynomial</short_description> | <short_description>Computes the weight of a differential polynomial.</short_description> | ||
<syntax> | <syntax> | ||
DA.Weight(F:POLY):INT | |||
</syntax> | </syntax> | ||
<description> | <description> | ||
Computes the weight of the differential polynomial F. | Computes the weight of the differential polynomial F. | ||
<itemize> | |||
<item>@param F A differential polynomial. </item> | |||
<item>@return The weight of F.</item> | |||
</itemize> | |||
<example> | <example> | ||
Use Q[x[1..2,0..20]]; | Use Q[x[1..2,0..20]]; | ||
F:=x[1,2]^2x[1,1]3+x[2,1]; | F:=x[1,2]^2x[1,1]3+x[2,1]; | ||
DA.Weight(F); | |||
------------------------------- | ------------------------------- | ||
F:=x[1,2]^2x[1,1]^3+x[2,1]; | F:=x[1,2]^2x[1,1]^3+x[2,1]; | ||
DA.Weight(F); | |||
7 | 7 | ||
------------------------------- | ------------------------------- | ||
</example> | </example> | ||
</description> | </description> | ||
<types> | |||
<type>polynomial</type> | |||
</types> | |||
<key>Weight</key> | |||
<key>DA.Weight</key> | |||
<key>diffalg.Weight</key> | |||
<key>differential.Weight</key> | |||
<wiki-category>Package_diffalg</wiki-category> | |||
</command> | </command> | ||
Revision as of 14:01, 22 April 2009
DA.Weight
Computes the weight of a differential polynomial.
Syntax
DA.Weight(F:POLY):INT
Description
Computes the weight of the differential polynomial F.
@param F A differential polynomial.
@return The weight of F.
Example
Use Q[x[1..2,0..20]]; F:=x[1,2]^2x[1,1]3+x[2,1]; DA.Weight(F); ------------------------------- F:=x[1,2]^2x[1,1]^3+x[2,1]; DA.Weight(F); 7 -------------------------------
