The DCT Model as a Novel Regression Framework within a Lagrangian Formulation

Fuente: arXiv
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Main Authors: Martinez-Gost, Marc, Neira, Ana I. Perez, Lagunas, Miguel Angel
Format: Preprint
Published: 2026
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author Martinez-Gost, Marc
Neira, Ana I. Perez
Lagunas, Miguel Angel
author_facet Martinez-Gost, Marc
Neira, Ana I. Perez
Lagunas, Miguel Angel
contents This paper introduces a unified regression framework based on the Lagrange formalism, demonstrating how polynomial and logistic regression can all be formulated within a common variational (Lagrangian formalism) structure. Within this framework, the DCT-based (Discrete Cosine Transform) model naturally emerges as a novel and effective approach to traditional or unsupervised regression. The DCT is used as the constraints in the Lagrangian formalism. By leveraging the nearly orthogonal and bounded nature of the cosine basis, the DCT model offers computational advantages and improved convergence properties compared with traditional polynomial methods. The results further support the potential of the DCT-based neuron as a powerful tool for regression analysis and related learning tasks.
format Preprint
id arxiv_https___arxiv_org_abs_2603_06418
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle The DCT Model as a Novel Regression Framework within a Lagrangian Formulation
Martinez-Gost, Marc
Neira, Ana I. Perez
Lagunas, Miguel Angel
Signal Processing
This paper introduces a unified regression framework based on the Lagrange formalism, demonstrating how polynomial and logistic regression can all be formulated within a common variational (Lagrangian formalism) structure. Within this framework, the DCT-based (Discrete Cosine Transform) model naturally emerges as a novel and effective approach to traditional or unsupervised regression. The DCT is used as the constraints in the Lagrangian formalism. By leveraging the nearly orthogonal and bounded nature of the cosine basis, the DCT model offers computational advantages and improved convergence properties compared with traditional polynomial methods. The results further support the potential of the DCT-based neuron as a powerful tool for regression analysis and related learning tasks.
title The DCT Model as a Novel Regression Framework within a Lagrangian Formulation
topic Signal Processing
url https://arxiv.org/abs/2603.06418