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ANN - Artificial Neural Network for PHP 5.x

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.

Requirements

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

Version 2.0.0 (2007-12-17) stable

Author: Thomas Wien

• Download - ann200.zip (6 KB)
• Download - ann200.tar.gz (6 KB)

Documentation (online)

• Documentation (HTML 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