Tim Mitchell

According to our database, Tim Mitchell authored at least 24 papers between 2014 and 2023.

Collaborative distances:

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

2023

Prediction of Electron Beam Welding Penetration Depth Using Machine Learning-Enhanced Computational Fluid Dynamics Modelling.

Yi Yin, Yingtao Tian, Jialuo Ding, Tim Mitchell, Jian Qin

Sensors, October, 2023

Root-Max Problems, Hybrid Expansion-Contraction, and Quadratically Convergent Optimization of Passive Systems.

Tim Mitchell, Paul Van Dooren

SIAM J. Matrix Anal. Appl., June, 2023

Convergence Rate Analysis and Improved Iterations for Numerical Radius Computation.

Tim Mitchell

SIAM J. Sci. Comput., April, 2023

An Experimental Comparison of Methods for Computing the Numerical Radius.

Tim Mitchell, Michael L. Overton

CoRR, 2023

Optimization and Optimizers for Adversarial Robustness.

Hengyue Liang, Buyun Liang, Le Peng, Ying Cui, Tim Mitchell, Ju Sun

CoRR, 2023

Optimization for Robustness Evaluation Beyond ℓp Metrics.

Hengyue Liang, Buyun Liang, Ying Cui, Tim Mitchell, Ju Sun

Proceedings of the IEEE International Conference on Acoustics, 2023

Implications of Solution Patterns on Adversarial Robustness.

Hengyue Liang, Buyun Liang, Ju Sun, Ying Cui, Tim Mitchell

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

2022

Optimization-based Parametric Model Order Reduction via ${{\mathcal{H}_2} \otimes {\mathcal{L}_2}}$ First-order Necessary Conditions.

Manuela Hund, Tim Mitchell, Petar Mlinaric, Jens Saak

SIAM J. Sci. Comput., 2022

On properties of univariate max functions at local maximizers.

Tim Mitchell, Michael L. Overton

Optim. Lett., 2022

NCVX: A General-Purpose Optimization Solver for Constrained Machine and Deep Learning.

Buyun Liang, Tim Mitchell, Ju Sun

CoRR, 2022

Optimization for Robustness Evaluation beyond 𝓁_p Metrics.

Hengyue Liang, Buyun Liang, Ying Cui, Tim Mitchell, Ju Sun

CoRR, 2022

2021

Fast Interpolation-Based Globality Certificates for Computing Kreiss Constants and the Distance to Uncontrollability.

Tim Mitchell

SIAM J. Matrix Anal. Appl., 2021

Fast optimization of viscosities for frequency-weighted damping of second-order systems.

Nevena Jakovcevic Stor, Tim Mitchell, Zoran Tomljanovic, Matea Ugrica

CoRR, 2021

Optimization-based parametric model order reduction via H₂⊗L₂ first-order necessary conditions.

Manuela Hund, Tim Mitchell, Petar Mlinaric, Jens Saak

CoRR, 2021

Numerical Modelling of Electron Beam Welding of Pure Niobium with Beam Oscillation: Towards Industry 4.0.

Yi Yin, Vitalijs Jefimovs, Tim Mitchell, Andrew Kennedy, Darren Williams, Yingtao Tian

Proceedings of the 26th International Conference on Automation and Computing, 2021

2020

Computing the Kreiss Constant of a Matrix.

Tim Mitchell

SIAM J. Matrix Anal. Appl., 2020

2019

Extended and Improved Criss-Cross Algorithms for Computing the Spectral Value Set Abscissa and Radius.

Peter Benner, Tim Mitchell

SIAM J. Matrix Anal. Appl., 2019

Fast Computation of Sep_λ via Interpolation-based Globality Certificates.

Tim Mitchell

CoRR, 2019

2018

Faster and More Accurate Computation of the ℋ_∞ Norm via Optimization.

Peter Benner, Tim Mitchell

SIAM J. Sci. Comput., 2018

On reduced input-output dynamic mode decomposition.

Peter Benner, Christian Himpe, Tim Mitchell

Adv. Comput. Math., 2018

Low-Order Control Design using a Reduced-Order Model with a Stability Constraint on the Full-Order Model.

Peter Benner, Tim Mitchell, Michael L. Overton

Proceedings of the 57th IEEE Conference on Decision and Control, 2018

2017

Approximating the Real Structured Stability Radius with Frobenius-Norm Bounded Perturbations.

Nicola Guglielmi, Mert Gürbüzbalaban, Tim Mitchell, Michael L. Overton

SIAM J. Matrix Anal. Appl., 2017

A BFGS-SQP method for nonsmooth, nonconvex, constrained optimization and its evaluation using relative minimization profiles.

Frank E. Curtis, Tim Mitchell, Michael L. Overton

Optim. Methods Softw., 2017

2014

Robust and Efficient Methods for Approximation and Optimization of Stability Measures.

Tim Mitchell

PhD thesis, 2014