© 2017 John Abbott, Anna M. Bigatti
GNU Free Documentation License, Version 1.2

CoCoALib Documentation Index


User documentation

This file offers two functions: SturmSeq and NumRealRoots.


Let f be a RingElem whose value is a univariate polynomial with rational coefficients.

Maintainer documentation

The implementation is naive and simple; this is OK for small examples. Currently it computes a primitive PRS; seems adequate for smallish tests.

Bugs, shortcomings and other ideas

Clears denominators, but I'm not sure why content works.

Main changes