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A Mixed-Integer Programming Approach to Training Dense Neural Networks

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abstract

Artificial Neural Networks (ANNs) are prevalent machine learning models that are applied across various real-world classification tasks. However, training ANNs is time-consuming and the resulting models take a lot of memory to deploy. In order to train more parsimonious ANNs, we propose a novel mixed-integer programming (MIP) formulation for training fully-connected ANNs. Our formulations can account for both binary and rectified linear unit (ReLU) activations, and for the use of a log-likelihood loss. We present numerical experiments comparing our MIP-based methods against existing approaches and show that we are able to achieve competitive out-of-sample performance with more parsimonious models.

fields

cs.LG 1

years

2025 1

verdicts

UNVERDICTED 1

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  • Responsible Machine Learning via Mixed-Integer Optimization cs.LG · 2025-05-09 · unverdicted · none · ref 3203 · internal anchor

    A comprehensive tutorial that synthesizes how mixed-integer optimization can encode interpretability, robustness, and fairness constraints into machine learning models.