Difference between revisions of "ApCoCoA-1:DA.Weight"

From ApCoCoAWiki
(Applied style principles.)
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{{Version|1}}
 
<command>
 
<command>
 
     <title>DA.Weight</title>
 
     <title>DA.Weight</title>
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</syntax>
 
</syntax>
 
<description>
 
<description>
Computes the weight of the differential polynomial F.
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Computes the weight of the differential polynomial <tt>F</tt>.
 
<itemize>
 
<itemize>
<item>@param F A differential polynomial. </item>
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<item>@param <em>F</em> A differential polynomial. </item>
<item>@return The weight of F.</item>
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<item>@return The weight of <tt>F</tt>.</item>
 
</itemize>
 
</itemize>
 
<example>
 
<example>
Use Q[x[1..2,0..20]];
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Use QQ[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);
 
DA.Weight(F);
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5
 
-------------------------------
 
-------------------------------
 
F:=x[1,2]^2x[1,1]^3+x[2,1];
 
F:=x[1,2]^2x[1,1]^3+x[2,1];
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<type>polynomial</type>
 
<type>polynomial</type>
 
</types>
 
</types>
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<key>Weight</key>
 
<key>Weight</key>
 
<key>DA.Weight</key>
 
<key>DA.Weight</key>
 
<key>diffalg.Weight</key>
 
<key>diffalg.Weight</key>
 
<key>differential.Weight</key>
 
<key>differential.Weight</key>
<wiki-category>Package_diffalg</wiki-category>
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<wiki-category>ApCoCoA-1:Package_diffalg</wiki-category>
 
</command>
 
</command>

Latest revision as of 10:00, 7 October 2020

This article is about a function from ApCoCoA-1.

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 QQ[x[1..2,0..20]];
F:=x[1,2]^2x[1,1]3+x[2,1];
DA.Weight(F);
5
-------------------------------
F:=x[1,2]^2x[1,1]^3+x[2,1];
DA.Weight(F);
7
-------------------------------