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D.4.24.8 latticeIdeal

Procedure from library normaliz.lib (see normaliz_lib).

Usage:
latticeIdeal(ideal I);

Return:
Returns the lattice ideal defined by the elements of I which have to be binomials. The lattice ideal is
the restriction to the polynomial ring of the ideal of the Laurent polynomial ring generated by I

Note:
This function requires the previous setting of an NmzFilename. The function does not delete the written files.

Example:
 
LIB "normaliz.lib";
setNmzFilename("binomials");
ring S = 37,(u,v,w,x,y,z),dp;
ideal I = u2-v2, x2-y2, y2-vw, z2-xy;
latticeIdeal(I);
==> 1
==> 1
==> _[1]=x2-y2
==> _[2]=u2-v2
==> _[3]=-xy+z2
==> _[4]=vw-y2
See also: intmat2binomials.


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