Top
Back: sinh
Forward: FloorDiagrams
FastBack:
FastForward:
Up: tropicalEllipticCovers_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.15.25.7 Sfunction

Procedure from library tropicalEllipticCovers.lib (see tropicalEllipticCovers_lib).

Usage:
Sfunction(z,k); z poly, k int

Assume:
z is a polynomial and k is an integer

Return:
poly

Theory:
Returns the S-function in the form of (1+X), where X is a taylor series expansion of the sinh function upto k terms.

Example:
 
LIB "tropicalEllipticCovers.lib";
ring R=0,(x,y),dp;
Sfunction(x,3);


Top Back: sinh Forward: FloorDiagrams FastBack: FastForward: Up: tropicalEllipticCovers_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 4.4.0, 2024, generated by texi2html.