Top
Back: lead
Forward: leadexp
FastBack: Functions and system variables
FastForward: Control structures
Up: Functions
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

5.1.76 leadcoef

Syntax:
leadcoef ( poly_expression )
leadcoef ( vector_expression )
Type:
number
Purpose:
returns the leading (or initial) coefficient of a polynomial or a vector with respect to the monomial ordering.
Example:
 
  ring r=32003,(x,y,z),(c,ds);
  poly f=x2+y+z3;
  vector v=[2*x^10,f];
  leadcoef(f);
==> 1
  leadcoef(v);
==> 2
  leadcoef(0);
==> 0
See lead; leadexp; leadmonom; poly; vector.

Top Back: lead Forward: leadexp FastBack: Functions and system variables FastForward: Control structures Up: Functions 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.