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B.7.0.13 Is_NC

Procedure from library nctools.lib (see nctools_lib).

Usage:
Is_NC();

Return:
1, if basering is noncommutative; 0 otherwise.

Example:
 
LIB "nctools.lib";
def a = CreateWeyl(2);
setring a;
Is_NC();
==> 1
kill a;
ring r = 17,(x(1..7)),dp;
Is_NC();
==> 0
kill r;


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            User manual for Singular version 2-1-99, August 2004, generated by texi2html.