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D.13.3.29 detropicalise

Procedure from library tropical.lib (see tropical_lib).

Usage:
detropicalise(f); f poly or f list

Assume:
if f is of type poly then t is a linear polynomial with an arbitrary constant term and positive integer coefficients as further coefficients;
if f is of type list then f is a list of polynomials of the type just described in before

Return:
poly, the detropicalisation of f ignoring the constant parts

Note:
the output will be a monomial and the constant coefficient has been ignored

Example:
 
LIB "tropical.lib";
ring r=(0,t),(x,y),dp;
detropicalise(3x+4y-1);