.. _`topic-package_conmin`: Package: CONMIN =============== The CONMIN library :cite:p:`Van78` is a public domain library of nonlinear programming optimizers, specifically the Fletcher-Reeves conjugate gradient ( :ref:`method-conmin_frcg<method-conmin_frcg>`) method for unconstrained optimization, and the method of feasible directions ( :ref:`method-conmin_mfd<method-conmin_mfd>`) for constrained optimization. As CONMIN was a predecessor to the DOT commercial library, the algorithm controls are very similar.