.TH "/var/www/mlpack.ratml.org/mlpack.org/_src/mlpack-3.3.1/src/mlpack/methods/ann/layer/hardshrink.hpp" 3 "Sun Aug 30 2020" "Version 3.1.1" "mlpack" \" -*- nroff -*-
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.SH NAME
/var/www/mlpack.ratml.org/mlpack.org/_src/mlpack-3.3.1/src/mlpack/methods/ann/layer/hardshrink.hpp
.SH SYNOPSIS
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.PP
.SS "Classes"

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.RI "class \fBHardShrink< InputDataType, OutputDataType >\fP"
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.RI "Hard Shrink operator is defined as, \begin{eqnarray*} f(x) &=& \left\{ \begin{array}{lr} x & : x > lambda \\ x & : x < -lambda \\ 0 & : otherwise \end{array} \\ \right. f'(x) &=& \left\{ \begin{array}{lr} 1 & : x > lambda \\ 1 & : x < -lambda \\ 0 & : otherwise \end{array} \right. \end{eqnarray*} lambda is set to 0\&.5 by default\&. "
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.SS "Namespaces"

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.RI " \fBmlpack\fP"
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.RI "strip_type\&.hpp "
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.RI " \fBmlpack::ann\fP"
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.RI "Artificial Neural Network\&. "
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.SH "Detailed Description"
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\fBAuthor:\fP
.RS 4
Lakshya Ojha
.RE
.PP
Same as soft thresholding, if its amplitude is smaller than a predefined threshold, it will be set to zero (kill), otherwise it will be kept unchanged\&. In order to promote sparsity and to improve the approximation, the hard thresholding method is used as an alternative\&.
.PP
mlpack is free software; you may redistribute it and/or modify it under the terms of the 3-clause BSD license\&. You should have received a copy of the 3-clause BSD license along with mlpack\&. If not, see http://www.opensource.org/licenses/BSD-3-Clause for more information\&. 
.PP
Definition in file \fBhardshrink\&.hpp\fP\&.
.SH "Author"
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Generated automatically by Doxygen for mlpack from the source code\&.