PRIMA is a package for solving general nonlinear optimization problems without using derivatives. It provides the reference implementation for Powell's derivative-free optimization methods, i.e., COBYLA, UOBYQA, NEWUOA, BOBYQA, and LINCOA. PRIMA means Reference Implementation for Powell's methods with Modernization and Amelioration, P for Powell.
python optimization matlab constrained-optimization numerical-optimization nonlinear-optimization unconstrained-optimization prima powell blackbox-optimization modern-fortran cobyla derivative-free-optimization simulation-based-optimization bobyqa newuoa uobyqa lincoa zeroth-order-method
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Updated
Aug 14, 2026 - Fortran