Difference between revisions of "ApCoCoA-1:DA.Class"
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S schuster (talk | contribs) (New page: <command> <title>diffalg.Class</title> <short_description>Return the class of a given derivative.</short_description> <syntax> $diffalg.Class(ObjectName:INDET):INT </syntax> <descr...) |
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<command> | <command> | ||
| − | <title> | + | <title>DA.Class</title> |
| − | <short_description> | + | <short_description>Returns the class of a given derivative.</short_description> |
<syntax> | <syntax> | ||
| − | + | DA.Class(X:INDET):INT | |
</syntax> | </syntax> | ||
<description> | <description> | ||
| − | The function Class returns the class of | + | The function Class returns the class of derivative X, i.e., the index of the differential indeterminate of which it is a derivative. |
| + | <itemize> | ||
| + | <item>@param <em>X</em> Indeterminate for which the class is computed.</item> | ||
| + | <item>@return The class of indeterminate X.</item> | ||
| + | </itemize> | ||
<example> | <example> | ||
| − | Use | + | Use QQ[x[1..2,0..20]]; |
| − | + | DA.Class(x[2,8]); | |
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| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
------------------------------- | ------------------------------- | ||
2 | 2 | ||
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</example> | </example> | ||
</description> | </description> | ||
| − | <wiki-category>Package_diffalg</wiki-category> | + | |
| + | <types> | ||
| + | <type>polynomial</type> | ||
| + | </types> | ||
| + | |||
| + | <key>Class</key> | ||
| + | <key>DA.Class</key> | ||
| + | <key>diffalg.Class</key> | ||
| + | <key>differential.Class</key> | ||
| + | <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.Class
Returns the class of a given derivative.
Syntax
DA.Class(X:INDET):INT
Description
The function Class returns the class of derivative X, i.e., the index of the differential indeterminate of which it is a derivative.
@param X Indeterminate for which the class is computed.
@return The class of indeterminate X.
Example
Use QQ[x[1..2,0..20]]; DA.Class(x[2,8]); ------------------------------- 2 -------------------------------
