bfgs bundle-adjustment c-plus-plus computer-vision conjugate-gradient gauss-newton l-bfgs levenberg-marquardt nonlinear-least-squares nonlinear-optimization-algorithms nonlinear-programming numerical-optimization structure-from-motion trust-region

bfgs constrained-optimization eigen expression-templates gradient-computation lbfgs lbfgs-solver lbfgsb-solver mathematics minimization minimization-algorithm newton numerical-optimization-methods optimization optimization-algorithms optimization-methods optimization-tools solver solvers

armadillo bfgs conjugate-gradient cran l-bfgs-b nelder-mead optim rcpp simulated-annealing