# Optimization Solvers (Tao) The Toolkit for Advance Optimization `Tao`, provides a large suite of optimization solvers for unconstrained and constrained problems. Users guide chapter: [](ch_tao).

interface/
util/
unconstrained/
constrained/
bound/
quadratic/
complementarity/
linesearch/
matrix/
leastsquares/
pde_constrained/
shell/
python/
f90-mod/
tutorials/
snes/
makefile