TY - JOUR AU - Longo, A. AU - NĂ³, M. AU - Aizpitarte, M. AU - Unzueta, J. PY - 1991 DO - 10.1016/0045-7949(91)90052-N SN - 0045-7949 UR - https://hdl.handle.net/11556/4557 AB - A new nonlinear optimization approach with strong convergence properties is presented. This approach is based on approximate subproblems, a nondifferentiable penalty function and a set active strategy, and is well suited for solution of design... LA - eng TI - Conservative approximations in nonlinear optimization. theory and examples TY - journal article ER -