co-maintainers welcome lssndrbarbieri@gmail.com Alessandro Barbieri https://github.com/coatless/rcppensmallen/issues https://cran.r-project.org/web/packages/RcppEnsmallen/RcppEnsmallen.pdf https://cran.r-project.org/web/packages/RcppEnsmallen/ChangeLog James Joseph Balamuta balamut2@illinois.edu coatless/rcppensmallen Header-Only C++ Mathematical Optimization Library for 'Armadillo' // 'Ensmallen' is a templated C++ mathematical optimization library (by the 'MLPACK' team) that provides a simple set of abstractions for writing an objective function to optimize. Provided within are various standard and cutting-edge optimizers that include full-batch gradient descent techniques, small-batch techniques, gradient-free optimizers, and constrained optimization.