1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
|
#
# jython examples for jas.
# $Id$
#
import sys;
from jas import Ring, PolyRing, QQ
from jas import startLog, terminate
# ideal intersection example
#r = Ring( "Rat(x,y,z) L" );
r = PolyRing( QQ(), "(x,y,z)", PolyRing.lex );
print "Ring: " + str(r);
print;
ps1 = """
(
( x - 1 ),
( y - 1 ),
( z - 1 )
)
""";
ps2 = """
(
( x - 2 ),
( y - 3 ),
( z - 3 )
)
""";
F1 = r.ideal( ps1 );
#print "Ideal: " + str(F1);
#print;
F2 = r.ideal( ps2 );
#print "Ideal: " + str(F2);
#print;
#startLog();
rg1 = F1.GB();
print "rg1 = ", rg1;
print;
rg2 = F2.GB();
print "rg2 = ", rg2;
print;
#startLog();
ig = F1.intersect(F2);
print "rg1 intersect rg2 = ", ig;
print;
terminate();
|