asa047, a C code which minimizes a scalar function of several variables using the Nelder-Mead algorithm, by R ONeill.
This is a version of Applied Statistics Algorithm 47.
The computer code and data files described and made available on this web page are distributed under the MIT license
asa047 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
compass_search, a C code which seeks the minimizer of a scalar function of several variables using compass search, a direct search algorithm that does not use derivatives.
praxis, a C routine which minimizes a scalar function of several variables.
toms178, a C code which optimizes a scalar functional of multiple variables using the Hooke-Jeeves method.
Original FORTRAN77 version by R ONeill; C version by John Burkardt.