Descent-Net: Learning Descent Directions for Constrained Optimization

Fuente: arXiv
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Auteurs principaux: Zhou, Zisheng, Zheng, Dengyu, Chen, Zirui, Chen, Shixiang
Format: Preprint
Publié: 2025
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author Zhou, Zisheng
Zheng, Dengyu
Chen, Zirui
Chen, Shixiang
author_facet Zhou, Zisheng
Zheng, Dengyu
Chen, Zirui
Chen, Shixiang
contents Deep learning approaches, known for their ability to model complex relationships and fast execution, are increasingly being applied to solve large optimization problems. However, existing methods often face challenges in simultaneously ensuring feasibility and achieving an optimal objective value. To address this issue, we propose Descent-Net, a neural network designed to learn an effective descent direction from a feasible solution. By updating the solution along this learned direction, Descent-Net improves the objective value while preserving feasibility. Our method demonstrates strong performance on both synthetic optimization tasks and the real-world AC optimal power flow problem, while also exhibiting effective scalability to large problems, as shown by portfolio optimization experiments with thousands of assets.
format Preprint
id arxiv_https___arxiv_org_abs_2512_11396
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Descent-Net: Learning Descent Directions for Constrained Optimization
Zhou, Zisheng
Zheng, Dengyu
Chen, Zirui
Chen, Shixiang
Optimization and Control
Deep learning approaches, known for their ability to model complex relationships and fast execution, are increasingly being applied to solve large optimization problems. However, existing methods often face challenges in simultaneously ensuring feasibility and achieving an optimal objective value. To address this issue, we propose Descent-Net, a neural network designed to learn an effective descent direction from a feasible solution. By updating the solution along this learned direction, Descent-Net improves the objective value while preserving feasibility. Our method demonstrates strong performance on both synthetic optimization tasks and the real-world AC optimal power flow problem, while also exhibiting effective scalability to large problems, as shown by portfolio optimization experiments with thousands of assets.
title Descent-Net: Learning Descent Directions for Constrained Optimization
topic Optimization and Control
url https://arxiv.org/abs/2512.11396