Home Online Manual
Top
Back: tDetropicalise
Forward: parameterSubstitute
FastBack: realizationMatroids_lib
FastForward: Miscellaneous libraries
Up: tropical_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.13.3.31 dualConic

Procedure from library tropical.lib (see tropical_lib).

Usage:
dualConic(f); f poly

Assume:
f is an affine conic in two variables x and y

Return:
poly, the equation of the dual conic

Example:
 
LIB "tropical.lib";
ring r=0,(x,y),dp;
poly conic=2x2+1/2y2-1;
dualConic(conic);