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- Lu, Nunes Vicente, +9 authors Richard Lehoucq
- 2007

This thesis introduces and analyzes a family of trust{region interior{point (TRIP) reduced sequential quadratic programming (SQP) algorithms for the solution of minimization problems with nonlinear equality constraints and simple bounds on some of the variables. These nonlinear programming problems appear in applications in control, design, parameter… (More)

- David A. Andrews, Luís N. Vicente
- Math. Program.
- 1999

This paper studies the smoothness and curvature of a marginal function for a trust-region problem. In this problem, a quadratic function is minimized over an ellipsoid. The marginal function considered is obtained by perturbing the trust radius, i.e., by changing the size of the ellipsoidal constraint. The values of the marginal function and of its rst and… (More)

- David A Andrews, Lu, Nunes Vicente, David A Andrews Lu, N Vicente
- 1997

This paper studies the smoothness and curvature of a marginal function for a trust-region problem. In this problem, a quadratic function is minimized over an ellipsoid. The marginal function considered is obtained by perturbing the trust radius, i.e., by changing the size of the ellipsoidal constraint. The values of the marginal function and of its rst and… (More)

- Lu Is, Nunes Vicente, +12 authors Richard Lehoucq
- 1996

This thesis introduces and analyzes a family of trust{region interior{point (TRIP) reduced sequential quadratic programming (SQP) algorithms for the solution of minimization problems with nonlinear equality constraints and simple bounds on some of the variables. These nonlinear programming problems appear in applications in control, design, parameter… (More)

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