zero_laguerre


zero_laguerre, a Python code which uses Laguerre's method to find the zero of a function. The method needs first and second derivative information. The method almost always works when the function is a polynomial.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

zero_laguerre is available in a Fortran77 version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

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zero_brent, a Python code which seeks a solution of a scalar nonlinear equation f(x) = 0, by Richard Brent.

zero_chandrupatla, a Python code which finds a zero of a scalar function of a scalar variable, starting from a change of sign interval, using the Chandrupatla method, which can converge faster than bisection, regula falsi, or Brent's method, by Tirupathi Chandrapatla.

zero_itp, a Python code which finds a zero of a scalar function of a scalar variable, starting from a change of sign interval, using the Interpolate/Truncate/Project (ITP) method, which has faster convergence than the bisection method.

zero_rc, a Python code which seeks solutions of a scalar nonlinear equation f(x) = 0, or a system of nonlinear equations, using reverse communication (RC).

Reference:

  1. Joseph Traub,
    Iterative Methods for the Solution of Equations,
    Prentice Hall, 1964.

Source Code:


Last revised on 26 March 2024.