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<big>'''ANN - Artificial Neural Network for PHP 5.x'''</big>
<big>'''ANN - Artificial Neural Network for PHP 5.x'''</big>


Current stable version of ANN implementation for PHP 5.x is version 2.0.0 released at 17th December, 2007. Go to [[Installation]] section to get information on how to implement these PHP libraries into your project.
Current stable version of ANN implementation for PHP 5.x is '''version 2.0.1'''. Go to [[Installation]] section to get information on how to implement these PHP libraries into your project.


== Requirements ==
== Requirements ==
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The latest implementation requires a php environment running '''PHP 5.2.x''' or above.
The latest implementation requires a php environment running '''PHP 5.2.x''' or above.


== Version '''2.0.0''' (2007-12-17) '''''stable''''' ==
== Version '''2.0.1''' (2008-01-06) '''''stable''''' ==

'''Author: Thomas Wien'''

* [http://ann.thwien.de/downloads/ann201.zip Download - ann201.zip] (19 KB)
* [http://ann.thwien.de/downloads/ann201.tar.gz Download - ann201.tar.gz] (16 KB)

'''Documentation (online)'''

* [http://ann.thwien.de/phpdoc/ Documentation (HTML online)]

'''Change-Log'''

* Separation of classes to several files
* Version control by Subversion
* Performance issues
* Graphical output of neural network topology
* Logging of weights to csv file

== Version '''2.0.0''' (2007-12-17) '''''obsolete''''' ==


'''Author: Thomas Wien'''
'''Author: Thomas Wien'''

Revision as of 16:24, 6 January 2008

ANN - Artificial Neural Network for PHP 5.x

Current stable version of ANN implementation for PHP 5.x is version 2.0.1. Go to Installation section to get information on how to implement these PHP libraries into your project.

Requirements

The latest implementation requires a php environment running PHP 5.2.x or above.

Version 2.0.1 (2008-01-06) stable

Author: Thomas Wien

Documentation (online)

Change-Log

  • Separation of classes to several files
  • Version control by Subversion
  • Performance issues
  • Graphical output of neural network topology
  • Logging of weights to csv file

Version 2.0.0 (2007-12-17) obsolete

Author: Thomas Wien

Documentation (online)

Change-Log

  • PHP 5.x support
  • PHPDoc documentation
  • Momentum support
  • Avoiding network overfitting
  • Linear / binary output
  • ANN_InputValue + ANN_OutputValue classes
  • Exceptions
  • Threshold function
  • Tangens hyperbolicus transfer function
  • Several performance issues
  • Avoiding array_keys() & srand() due to performance
  • Changes in saving and loading network
  • Printing network details to browser
  • Fixing bug: initializing inputs to all hidden layers
  • Fixing bug: training for first hidden layer was skipped

Version 1.0 (2002)

Author: Eddy Young

Project page on freebsd.mu

Change-Log

  • Initial version
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