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Cited by 2,681

The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Natural Gradient Works Efficiently in Learning

Amari, Shun-ichi·1998·Neural Computation

Abstract

When a parameter space has a certain underlying structure, the ordinary gradient of a function does not represent its steepest direction, but the natural gradient does. Information geometry is used for calculating the natural gradients in the parameter space of perceptrons, the space of matrices (for blind source separation), and the space of linear dynamical systems (for blind source deconvolution). The dynamical behavior of natural gradient online learning is analyzed and is proved to be Fisher efficient, implying that it has asymptotically the same performance as the optimal batch estimation of parameters. This suggests that the plateau phenomenon, which appears in the backpropagation learning algorithm of multilayer perceptrons, might disappear or might not be so serious when the natural gradient is used. An adaptive method of updating the learning rate is proposed and analyzed.

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Research works printed but not linked: 21

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Metadata

Authors
Amari, S.-I.
Venue
Neural Computation
Publisher
MIT Press
Published
1998-02-01
Volume
10
Issue
2
Pages
251-276
ISSN
  • 0899-7667 (ISSN-L)
  • 1530-888X
OpenAlex
W1970789124
Cited by
2,681
References
2
FWCI
61.26
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Natural Gradient Works Efficiently in Learning. https://app.cochat.ai/papers/10.1162/089976698300017746
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Amari, S.-I. (1998). Natural Gradient Works Efficiently in Learning. Neural Computation. https://doi.org/10.1162/089976698300017746

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