Margherita Porcelli

According to our database, Margherita Porcelli authored at least 30 papers between 2009 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Dictionary Learning for data compression within a Digital Twin Framework.

Laura Cavalli, Domitilla Brandoni, Margherita Porcelli, Eric Pascolo

Proceedings of the Ital-IA Intelligenza Artificiale, 2024

2023

Regularized methods via cubic subspace minimization for nonconvex optimization.

Stefania Bellavia, Davide Palitta, Margherita Porcelli, Valeria Simoncini

CoRR, 2023

An improved penalty algorithm using model order reduction for MIPDECO problems with partial observations.

Dominik Garmatter, Margherita Porcelli, Francesco Rinaldi, Martin Stoll

Comput. Optim. Appl., 2023

Accelerated Algorithms For Nonlinear Matrix Decomposition With The Relu Function.

Giovanni Seraghiti, Atharva Awari, Arnaud Vandaele, Margherita Porcelli, Nicolas Gillis

Proceedings of the 33rd IEEE International Workshop on Machine Learning for Signal Processing, 2023

2022

Exploiting Problem Structure in Derivative Free Optimization.

Margherita Porcelli, Philippe L. Toint

ACM Trans. Math. Softw., 2022

Solving Nonlinear Systems of Equations Via Spectral Residual Methods: Stepsize Selection and Applications.

Enrico Meli, Benedetta Morini, Margherita Porcelli, Cristina Sgattoni

J. Sci. Comput., 2022

Numerical solution of a class of quasi-linear matrix equations.

Margherita Porcelli, Valeria Simoncini

CoRR, 2022

A semidefinite programming approach for the projection onto the cone of negative semidefinite symmetric tensors with applications to solid mechanics.

Cristina Padovani, Margherita Porcelli

CoRR, 2022

Improved penalty algorithm for mixed integer PDE constrained optimization problems.

Dominik Garmatter, Margherita Porcelli, Francesco Rinaldi, Martin Stoll

Comput. Math. Appl., 2022

2021

A Relaxed Interior Point Method for Low-Rank Semidefinite Programming Problems with Applications to Matrix Completion.

Stefania Bellavia, Jacek Gondzio, Margherita Porcelli

J. Sci. Comput., 2021

A Tensor-Train Dictionary Learning algorithm based on Spectral Proximal Alternating Linearized Minimization.

Domitilla Brandoni, Margherita Porcelli, Valeria Simoncini

CoRR, 2021

2020

Interior-point methods and preconditioning for PDE-constrained optimization problems involving sparsity terms.

John W. Pearson, Margherita Porcelli, Martin Stoll

Numer. Linear Algebra Appl., 2020

Finite element model updating for structural applications.

Maria Girardi, Cristina Padovani, Daniele Pellegrini, Margherita Porcelli, Leonardo Robol

J. Comput. Appl. Math., 2020

2019

A Note on Using Performance and Data Profiles for Training Algorithms.

Margherita Porcelli, Philippe L. Toint

ACM Trans. Math. Softw., 2019

An inexact dual logarithmic barrier method for solving sparse semidefinite programs.

Stefania Bellavia, Jacek Gondzio, Margherita Porcelli

Math. Program., 2019

A relaxed interior point method for low-rank semidefinite programming problems.

Stefania Bellavia, Jacek Gondzio, Margherita Porcelli

CoRR, 2019

Improved Penalty Algorithm for Mixed Integer PDE Constrained Optimization (MIPDECO) Problems.

Dominik Garmatter, Margherita Porcelli, Francesco Rinaldi, Martin Stoll

CoRR, 2019

2018

Approximate norm descent methods for constrained nonlinear systems.

Benedetta Morini, Margherita Porcelli, Philippe L. Toint

Math. Comput., 2018

Quasi-Newton methods for constrained nonlinear systems: complexity analysis and applications.

Leopoldo Marini, Benedetta Morini, Margherita Porcelli

Comput. Optim. Appl., 2018

2017

BFO, A Trainable Derivative-free Brute Force Optimizer for Nonlinear Bound-constrained Optimization and Equilibrium Computations with Continuous and Discrete Variables.

Margherita Porcelli, Philippe L. Toint

ACM Trans. Math. Softw., 2017

A note on using performance and data profilesfor training algorithms.

Margherita Porcelli, Philippe L. Toint

CoRR, 2017

Preconditioning PDE-constrained optimization with L1-sparsity and control constraints.

Margherita Porcelli, Valeria Simoncini, Martin Stoll

Comput. Math. Appl., 2017

2015

Preconditioning of Active-Set Newton Methods for PDE-constrained Optimal Control Problems.

Margherita Porcelli, Valeria Simoncini, Mattia Tani

SIAM J. Sci. Comput., 2015

2014

New updates of incomplete LU factorizations and applications to large nonlinear systems.

Stefania Bellavia, Benedetta Morini, Margherita Porcelli

Optim. Methods Softw., 2014

A variable fixing version of the two-block nonlinear constrained Gauss-Seidel algorithm for \(\ell _1\) -regularized least-squares.

Margherita Porcelli, Francesco Rinaldi

Comput. Optim. Appl., 2014

2013

On the convergence of an inexact Gauss-Newton trust-region method for nonlinear least-squares problems with simple bounds.

Margherita Porcelli

Optim. Lett., 2013

2012

TRESNEI, a Matlab trust-region solver for systems of nonlinear equalities and inequalities.

Benedetta Morini, Margherita Porcelli

Comput. Optim. Appl., 2012

Updating the regularization parameter in the adaptive cubic regularization algorithm.

Nicholas I. M. Gould, Margherita Porcelli, Philippe L. Toint

Comput. Optim. Appl., 2012

2010

A reduced Newton method for constrained linear least-squares problems.

Benedetta Morini, Margherita Porcelli, Raymond H. Chan

J. Comput. Appl. Math., 2010

2009

A Gauss-Newton method for solving bound-constrained underdetermined nonlinear systems.

Maria Macconi, Benedetta Morini, Margherita Porcelli

Optim. Methods Softw., 2009