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Physics Maths Engineering

CPD-Structured Multivariate Polynomial Optimization

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Muzaffer Ayvaz,

Muzaffer Ayvaz


Lieven De Lathauwer

Lieven De Lathauwer


  Peer Reviewed

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© attribution CC-BY

  • 0

rating
568 Views

Added on

2024-10-26

Doi: http://dx.doi.org/10.3389/fams.2022.836433

Related Subjects
Physics
Math
Chemistry
Computer science
Engineering
Earth science
Biology

Abstract

We introduce the Tensor-Based Multivariate Optimization (TeMPO) framework for use in nonlinear optimization problems commonly encountered in signal processing, machine learning, and artificial intelligence. Within our framework, we model nonlinear relations by a multivariate polynomial that can be represented by low-rank symmetric tensors (multi-indexed arrays), making a compromise between model generality and efficiency of computation. Put the other way around, our approach both breaks the curse of dimensionality in the system parameters and captures the nonlinear relations with a good accuracy. Moreover, by taking advantage of the symmetric CPD format, we develop an efficient second-order Gauss–Newton algorithm for multivariate polynomial optimization. The presented algorithm has a quadratic per-iteration complexity in the number of optimization variables in the worst case scenario, and a linear per-iteration complexity in practice. We demonstrate the efficiency of our algorithm with some illustrative examples, apply it to the blind deconvolution of constant modulus signals, and the classification problem in supervised learning. We show that TeMPO achieves similar or better accuracy than multilayer perceptrons (MLPs), tensor networks with tensor trains (TT) and projected entangled pair states (PEPS) architectures for the classification of the MNIST and Fashion MNIST datasets while at the same time optimizing for fewer parameters and using less memory. Last but not least, our framework can be interpreted as an advancement of higher-order factorization machines: we introduce an efficient second-order algorithm for higher-order factorization machines.

Key Questions about CPD-Structured Multivariate Polynomial Optimization

The article "CPD-Structured Multivariate Polynomial Optimization" by Muzaffer Ayvaz and Lieven De Lathauwer introduces the Tensor-Based Multivariate Optimization (TeMPO) framework, designed to address nonlinear optimization challenges prevalent in signal processing, machine learning, and artificial intelligence. This framework models nonlinear relationships using multivariate polynomials represented by low-rank symmetric tensors, effectively balancing model generality with computational efficiency. By leveraging the Canonical Polyadic Decomposition (CPD) format, the authors develop an efficient second-order Gauss–Newton algorithm for multivariate polynomial optimization. This algorithm demonstrates quadratic per-iteration complexity in the number of optimization variables in the worst-case scenario and linear per-iteration complexity in practice. The study showcases the algorithm's efficiency through illustrative examples, including blind deconvolution of constant modulus signals and classification tasks in supervised learning. Notably, TeMPO achieves comparable or superior accuracy to multilayer perceptrons (MLPs), tensor networks with tensor trains (TT), and projected entangled pair states (PEPS) architectures for classifying the MNIST and Fashion MNIST datasets, while optimizing for fewer parameters and utilizing less memory. Additionally, the framework can be interpreted as an advancement of higher-order factorization machines, introducing an efficient second-order algorithm for these machines. Source

1. How does the TeMPO framework model nonlinear relationships in optimization problems?

The TeMPO framework models nonlinear relationships by representing multivariate polynomials using low-rank symmetric tensors, effectively balancing model generality with computational efficiency. Source

2. What is the computational complexity of the second-order Gauss–Newton algorithm developed in the study?

The second-order Gauss–Newton algorithm exhibits quadratic per-iteration complexity in the number of optimization variables in the worst-case scenario and linear per-iteration complexity in practice. Source

3. How does TeMPO compare to other machine learning architectures in terms of accuracy and resource utilization?

TeMPO achieves comparable or superior accuracy to multilayer perceptrons (MLPs), tensor networks with tensor trains (TT), and projected entangled pair states (PEPS) architectures for classifying the MNIST and Fashion MNIST datasets, while optimizing for fewer parameters and utilizing less memory. Source

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ARTICLE USAGE


Article usage: Oct-2024 to May-2025
Show by month Manuscript Video Summary
2025 May 118 118
2025 April 79 79
2025 March 65 65
2025 February 54 54
2025 January 123 123
2024 December 55 55
2024 November 60 60
2024 October 14 14
Total 568 568
Show by month Manuscript Video Summary
2025 May 118 118
2025 April 79 79
2025 March 65 65
2025 February 54 54
2025 January 123 123
2024 December 55 55
2024 November 60 60
2024 October 14 14
Total 568 568
Related Subjects
Physics
Math
Chemistry
Computer science
Engineering
Earth science
Biology
copyright icon

© attribution CC-BY

  • 0

rating
568 Views

Added on

2024-10-26

Doi: http://dx.doi.org/10.3389/fams.2022.836433

Related Subjects
Physics
Math
Chemistry
Computer science
Engineering
Earth science
Biology

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