ApCoCoA-1:DA.Class: Difference between revisions
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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 | DA.Class(X:INDET):INT | ||
| Line 8: | Line 9: | ||
The function Class returns the class of derivative X, i.e., the index of the differential indeterminate of which it is a derivative. | The function Class returns the class of derivative X, i.e., the index of the differential indeterminate of which it is a derivative. | ||
<itemize> | <itemize> | ||
<item>@param X | <item>@param <em>X</em> Indeterminate for which the class is computed.</item> | ||
<item>@return The class of indeterminate X.</item> | <item>@return The class of indeterminate X.</item> | ||
</itemize> | </itemize> | ||
<example> | <example> | ||
Use | Use QQ[x[1..2,0..20]]; | ||
DA.Class(x[2,8]); | |||
------------------------------- | ------------------------------- | ||
2 | 2 | ||
| Line 19: | Line 20: | ||
</example> | </example> | ||
</description> | </description> | ||
<types> | <types> | ||
<type>polynomial</type> | <type>polynomial</type> | ||
</types> | </types> | ||
<key>Class</key> | <key>Class</key> | ||
<key>DA.Class</key> | <key>DA.Class</key> | ||
<key>diffalg.Class</key> | <key>diffalg.Class</key> | ||
<key>differential.Class</key> | <key>differential.Class</key> | ||
<wiki-category>Package_diffalg</wiki-category> | <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 -------------------------------
