fsolve_test

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

Note that in R, fsolve() is available through the pracma() library.

Licensing:

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

Languages:

fsolve or fsolve_test is available in a C version and a C++ version and a Fortran77 version and a Fortran90 version and a MATLAB version and an Octave version and a Python version and an R version.

Related Data and Programs:

bisection, an R code which seeks a root of a single nonlinear function using the bisection method.

newton, an R code which seeks a root of a single nonlinear function using the Newton method.

nth_root, an R code which uses the Newton method to find the n-th root of a number.

quadratic, an R code which computes the roots of a quadratic equation ax^2+bx+c=0.

secant, an R code which seeks a root of a single nonlinear function using the secant method.

Source Code:

• fsolve_test.R the source code;
• fsolve_test.sh runs all the tests;
• fsolve_test.txt the output file;

• fsolve_test01.R uses fsolve() to solve 1 nonlinear equation;
• f1.R defines 1 nonlinear equation;

• fsolve_test02.R uses fsolve() to solve 2 nonlinear equations;
• f2.R defines 2 nonlinear equations;

• fsolve_test03.R uses fsolve() to solve 4 nonlinear equations;
• f3.R defines 4 nonlinear equations;

• fsolve_test04.R uses fsolve() to solve 8 nonlinear equations;
• f4.R defines 8 nonlinear equations;