fsolve_test, a Python code which calls fsolve() which seeks the solution x of one or more nonlinear equations f(x)=0.

Note that fsolve() is available in scipy.optimize.


fsolve_test is available in a MATLAB version and an Octave version and a Python version.


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

Related Data and Programs:

bisection_rc, a Python code which seeks a solution to the equation F(X)=0 using bisection within a user-supplied change of sign interval [A,B]. The procedure is written using reverse communication (RC).

test_zero, a Python code which implements test problems for the solution of a single nonlinear equation in one variable.

zero_rc, a Python code which seeks a solution of a scalar nonlinear equation f(x) = 0, using reverse communication (RC), by Richard Brent.

Source Code:

Last revised on 16 October 2020.