Difference between revisions of "ApCoCoA-1:DA.LPot"
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| − | <ref>DA.LPot</ref> returns the leading power of polynomial <tt>F</tt> wrt. the current differential term order, or the hereby induced ranking respectively. | + | <ref>ApCoCoA-1:DA.LPot|DA.LPot</ref> returns the leading power of polynomial <tt>F</tt> wrt. the current differential term order, or the hereby induced ranking respectively. |
<itemize> | <itemize> | ||
<item>@param <em>F</em> A differential polynomial.</item> | <item>@param <em>F</em> A differential polynomial.</item> | ||
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<type>polynomial</type> | <type>polynomial</type> | ||
</types> | </types> | ||
| − | <see>DA.DiffTO</see> | + | <see>ApCoCoA-1:DA.DiffTO|DA.DiffTO</see> |
<key>LPot</key> | <key>LPot</key> | ||
Revision as of 08:10, 7 October 2020
DA.LPot
Computes the leading power of a differential polynomial.
Syntax
DA.LPot(F:POLY):POLY
Description
DA.LPot returns the leading power of polynomial F wrt. the current differential term order, or the hereby induced ranking respectively.
@param F A differential polynomial.
@return The leading power of F.
Example
Use QQ[x[1..2,0..20]]; Use QQ[x[1..2,0..20]], Ord(DA.DiffTO(<quotes>Lex</quotes>)); DA.LPot(x[1,1]^2x[1,2]^2 + 1/4x[1,2]); ------------------------------- x[1,2]^2 -------------------------------
