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

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{{Version|1}}
 
<command>
 
<command>
 
     <title>DA.DiffOrd</title>
 
     <title>DA.DiffOrd</title>
     <short_description>Compute the differential order of a differential polynomial.</short_description>
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     <short_description>Computes the differential order of a differential polynomial.</short_description>
 
<syntax>
 
<syntax>
 
DA.DiffOrd(F:POLY):INT
 
DA.DiffOrd(F:POLY):INT
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</itemize>
 
</itemize>
 
<example>
 
<example>
Use Q[x[1..2,0..20]];
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Use QQ[x[1..2,0..20]];
 
F:=x[1,4]^2-x[2,4]^3;
 
F:=x[1,4]^2-x[2,4]^3;
 
DA.DiffOrd(F);
 
DA.DiffOrd(F);
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<key>diffalg.DiffOrd</key>
 
<key>diffalg.DiffOrd</key>
 
<key>differential.DiffOrd</key>
 
<key>differential.DiffOrd</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 09:57, 7 October 2020

This article is about a function from ApCoCoA-1.

DA.DiffOrd

Computes the differential order of a differential polynomial.

Syntax

DA.DiffOrd(F:POLY):INT

Description

Computes the differential order of the differential polynomial F. The differential order is the maximum order of the derivatives occuring in the terms of F.

  • @param F A differential polynomial.

  • @return Order of F.

Example

Use QQ[x[1..2,0..20]];
F:=x[1,4]^2-x[2,4]^3;
DA.DiffOrd(F);
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