CoCoA:RootBound
From ApCoCoAWiki
RootBound
bound on roots of a polynomial over Q
Description
This function computes a bound on the absolute values of the complex
roots of a univariate polynomial over Q.
Example
RootBound(x^2-2); 4 -------------------------------
Syntax
RootBound(F:POLY):INT
<type>polynomial</type>