ApCoCoA-1:DA.Class: Difference between revisions
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<command> | <command> | ||
<title>diffalg.Class</title> | <title>diffalg.Class</title> | ||
<short_description> | <short_description>return the class of a given derivative</short_description> | ||
<syntax> | <syntax> | ||
$diffalg.Class(X:INDET):INT | $diffalg.Class(X:INDET):INT |
Revision as of 08:43, 22 December 2008
diffalg.Class
return the class of a given derivative
Syntax
$diffalg.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.
Example
Use Q[x[1..2,0..20]]; $diffalg.Class(x[1,8]); ------------------------------- 1 ------------------------------- Use Q[x[1..2,0..20]]; $diffalg.Class(x[2,8]); ------------------------------- 2 -------------------------------