D.4.1.10 mapIsFinite
....................
Procedure from library algebra.lib (see algebra_lib).

Usage:
mapIsFinite(phi,R[,J]); R a ring, phi: R --> basering a map
J an ideal in the basering, J = 0 if not given

Return:
1 if R --> basering/J is finite and 0 else

Example:
LIB "algebra.lib";
ring r = 0,(a,b,c),dp;
ring s = 0,(x,y,z),dp;
ideal i= xy;
map phi= r,(xy)^3+x2+z,y2-1,z3;
mapIsFinite(phi,r,i);
==> 1

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&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User manual for <a href="http://www.singular.uni-kl.de/"><i>Singular</i></a> version 2-0-4, October 2002,
generated by <a href="http://www.gnu.org/software/texinfo/"><i>texi2html</i></a>.
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