Understood that there's a vast literature on all this.

But what simple and correct statements can we make to help users understand what allroots does?

For example, could we say that for polynomials of degree < 20 and some characteristic of the coefficients, or of the roots, abs(calcroot-trueroot) < xxx?

On Mon, Jul 7, 2014 at 7:20 PM, Richard Fateman <fateman@berkeley.edu> wrote:

mcnamee has an enormous bibliography on this topic. Also see

http://books.google.com/books/about/Numerical_Methods_for_Roots_of_Polynomia.html?id=j0rY3D9fx-0C