FSNet: Feasibility-Seeking Neural Network for Constrained Optimization with Guarantees

Fuente: arXiv
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Main Authors: Nguyen, Hoang T., Donti, Priya L.
Format: Preprint
Published: 2025
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author Nguyen, Hoang T.
Donti, Priya L.
author_facet Nguyen, Hoang T.
Donti, Priya L.
contents Efficiently solving constrained optimization problems is crucial for numerous real-world applications, yet traditional solvers are often computationally prohibitive for real-time use. Machine learning-based approaches have emerged as a promising alternative to provide approximate solutions at faster speeds, but they struggle to strictly enforce constraints, leading to infeasible solutions in practice. To address this, we propose the Feasibility-Seeking Neural Network (FSNet), which integrates a feasibility-seeking step directly into its solution procedure to ensure constraint satisfaction. This feasibility-seeking step solves an unconstrained optimization problem that minimizes constraint violations in a differentiable manner, enabling end-to-end training and providing guarantees on feasibility and convergence. Our experiments across a range of different optimization problems, including both smooth/nonsmooth and convex/nonconvex problems, demonstrate that FSNet can provide feasible solutions with solution quality comparable to (or in some cases better than) traditional solvers, at significantly faster speeds.
format Preprint
id arxiv_https___arxiv_org_abs_2506_00362
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle FSNet: Feasibility-Seeking Neural Network for Constrained Optimization with Guarantees
Nguyen, Hoang T.
Donti, Priya L.
Machine Learning
Optimization and Control
Efficiently solving constrained optimization problems is crucial for numerous real-world applications, yet traditional solvers are often computationally prohibitive for real-time use. Machine learning-based approaches have emerged as a promising alternative to provide approximate solutions at faster speeds, but they struggle to strictly enforce constraints, leading to infeasible solutions in practice. To address this, we propose the Feasibility-Seeking Neural Network (FSNet), which integrates a feasibility-seeking step directly into its solution procedure to ensure constraint satisfaction. This feasibility-seeking step solves an unconstrained optimization problem that minimizes constraint violations in a differentiable manner, enabling end-to-end training and providing guarantees on feasibility and convergence. Our experiments across a range of different optimization problems, including both smooth/nonsmooth and convex/nonconvex problems, demonstrate that FSNet can provide feasible solutions with solution quality comparable to (or in some cases better than) traditional solvers, at significantly faster speeds.
title FSNet: Feasibility-Seeking Neural Network for Constrained Optimization with Guarantees
topic Machine Learning
Optimization and Control
url https://arxiv.org/abs/2506.00362