Top
Back: isuni
Forward: varsigns
FastBack:
FastForward:
Up: rootsur_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.12.7.2 whichvariable

Procedure from library rootsur.lib (see rootsur_lib).

Usage:
whichvariable(p); poly p

Return:
poly: if p is a univariate monomial, the variable. Otherwise 0.

Assume:
p is a monomial

Example:
 
LIB "rootsur.lib";
ring r = 0,(x,y),dp;
whichvariable(x5);
==> x
whichvariable(x3y);
==> 0
See also: isuni.

Top Back: isuni Forward: varsigns FastBack: FastForward: Up: rootsur_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 4.3.2, 2023, generated by texi2html.