polynomial_root_bound


polynomial_root_bound, a C++ code which computes the Cauchy bound on the magnitude of all roots of a polynomial with complex coefficients.

Licensing:

The computer code and data files made available on this web page are distributed under the MIT license.

Languages:

polynomial_root_bound is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

polynomial_root_bound_test

Reference:

  1. John D Cook,
    Bounding complex roots by a positive root,
    https://www.johndcook.com/blog/2023/12/02/cauchy-radius/
    02 December 2023.

Source Code:


Last revised on 12 December 2023.