ApCoCoA-1:DA.Class: Difference between revisions

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<command>
<command>
     <title>diffalg.Class</title>
     <title>DA.Class</title>
     <short_description>return the class of a given derivative</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
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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 Indeterminante for which the class is computed.</item>
<item>@param <em>X</em> Indeterminante 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 Q[x[1..2,0..20]];
Use Q[x[1..2,0..20]];
$diffalg.Class(x[2,8]);
DA.Class(x[2,8]);
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2
2

Revision as of 10:57, 23 April 2009

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 Indeterminante for which the class is computed.

  • @return The class of indeterminate X.

Example

Use Q[x[1..2,0..20]];
DA.Class(x[2,8]);
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2
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