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The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
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Updated: Sep 19, 2025

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Adaptive learning algorithm and its convergence analysis with complex-valued error loss network.

Guobing Qian1, Bingqing Lin1, Jiaojiao Mei2

  • 1College of Electronic and Information Engineering, Southwest University, Chongqing 400715, PR China.

Neural Networks : the Official Journal of the International Neural Network Society
|June 6, 2025
PubMed
Summary
This summary is machine-generated.

A new Complex Error Loss Network (CELN) improves machine learning model predictions for complex-valued data. CELN demonstrates enhanced accuracy and stability, outperforming existing methods in supervised learning tasks.

Keywords:
Complex error loss networkcontraction mapping theoremconvergencefixed-point algorithm

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Area of Science:

  • Machine Learning
  • Supervised Learning
  • Signal Processing

Background:

  • Loss functions are critical for evaluating machine learning model performance.
  • Existing models face challenges with complex-valued signals and parameters.
  • Adaptive learning algorithms require stable convergence properties.

Purpose of the Study:

  • Introduce a novel Complex Error Loss Network (CELN) for supervised learning.
  • Address limitations in handling complex-valued data.
  • Investigate the convergence properties of the CELN adaptive learning algorithm.

Main Methods:

  • Developed a novel Complex Error Loss Network (CELN).
  • Applied the contraction mapping theorem to analyze algorithm convergence.
  • Evaluated CELN performance against benchmark methods.

Main Results:

  • CELN reduces prediction error by at least 4.1% compared to benchmarks.
  • The adaptive learning algorithm demonstrates stable convergence towards optimal solutions.
  • CELN maintains performance stability in non-Gaussian noise environments.

Conclusions:

  • CELN offers a robust solution for supervised learning with complex-valued data.
  • The model's convergence properties ensure reliable optimization.
  • CELN presents a significant advancement in machine learning loss function design.