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Erschienen in:
2018 | OriginalPaper | Buchkapitel
A New Method for Learning RBF Networks by Utilizing Singular Regions
verfasst von : Seiya Satoh, Ryohei Nakano
Erschienen in: Artificial Intelligence and Soft Computing
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Abstract
The usual way to learn radial basis function (RBF) networks consists of two stages: first, select reasonable weights between input and hidden layers, and then optimize weights between hidden and output layers. When we learn multilayer perceptrons (MLPs), we usually employ the stochastic descent called backpropagation (BP) algorithm or 2nd-order methods such as pseudo-Newton method and conjugate gradient method. Recently new learning methods called singularity stairs following (SSF) methods have been proposed for learning real-valued or complex-valued MLPs by making good use of singular regions. SSF can monotonically decrease training error along with the increase of hidden units, and stably find a series of excellent solutions. This paper proposes a completely new method for learning RBF networks by introducing the SSF paradigm, and compares its performance with those of existing learning methods.