Top
Back: varNum
Forward: dmodapp_lib
FastBack: central_lib
FastForward: dmodapp_lib
Up: dmod_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document
7.7.3.0. isRational
Procedure from library dmod.lib (see dmod_lib).

Usage:
isRational(n); n number

Return:
int

Purpose:
determine whether n is a rational number,
that is it does not contain parameters.

Assume:
ground field is of characteristic 0

Example:
 

Top Back: varNum Forward: dmodapp_lib FastBack: central_lib FastForward: dmodapp_lib Up: dmod_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.