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D.13.6.39 tropicalVariety

Procedure from library tropical.lib (see tropical_lib).

Usage:
tropicalVariety(f[,p]); f poly, p optional number
tropicalVariety(I[,p]); I ideal, p optional number

Assume:
I homogeneous, p prime number

Return:
fan, the tropical variety of f resp. I with respect to the trivial valuation or the p-adic valuation

Note:
set printlevel=1 for output during traversal

Example:
 
LIB "tropical.lib";
ring r = 0,(x,y,z,w),dp;
ideal I = x-2y+3z,3y-4z+5w;
tropicalVariety(I);
tropicalVariety(I,number(2));
tropicalVariety(I,number(3));
tropicalVariety(I,number(5));
tropicalVariety(I,number(7));


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