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D.12.8.8 maxabs

Procedure from library rootsur.lib (see rootsur_lib).

Usage:
maxabs(p); poly p

Return:
number: an upper bound for the largest absolute value of a root of p

Assume:
p is a univariate polynomial with rational coefficients

Example:
 
See also: sturm.


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.