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Plane Curves
Solving
Space Curves
Spectrum
Symbolic Numerical Solving - An Example
LIB "triang.lib";
ring r=0,(x,y,z),lp;
ideal i=x2+y+z-1,x+y2+z-1,x+y+z2-1;
option(redSB);
ideal j = groebner(i);
triangMH(j,2);
==> [1]: [2]: [3]: [4]:
_[1]=z _[1]=z _[1]=z2+2z-1 _[1]=z-1
_[1]=y _[1]=y-1 _[1]=y-z _[1]=y
_[1]=x-1 _[1]=x _[1]=x-z _[1]=x
LIB"solve.lib";
triang_solve(triangMH(j,2),30); // accuracy of 30 digits
rlist;
==> ......................
The output is a list of 5 solutions.



Timings

Lille, 08-07-02 http://www.singular.uni-kl.de