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

D.13.3.32 parameterSubstitute

Procedure from library tropical.lib (see tropical_lib).

Usage:
parameterSubstitute(f,N); f poly, N int

Assume:
f is a polynomial in Q(t)[x_1,...,x_n] describing
a plane curve over Q(t)

Return:
poly f with t replaced by t^N

Example:
 
LIB "tropical.lib";
ring r=(0,t),(x,y),dp;
poly f=t2xy+1/t*y+t3;
parameterSubstitute(f,3);
parameterSubstitute(f,-1);