broyden, an Octave code which implements the Broyden iterative method for the solution of a system of nonlinear equations, by Tim Kelley.
These codes can be downloaded directly from https://www.siam.org/books/kelley/kellcode.htm
The computer code and data files described and made available on this web page are distributed under the MIT license
broyden is available in a MATLAB version and an Octave version.
fsolve_test, an Octave code which calls fsolve() which seeks the solution x of one or more nonlinear equations f(x)=0.
kelley, an Octave code which implements iterative methods for linear and nonlinear equations, by Tim Kelley;
mgmres, an Octave code which applies the restarted GMRES algorithm to solve a sparse linear system.
test_nonlin, an Octave code which implements test problems for the solution of systems of nonlinear equations.