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Neural Networks on C#

, 19 Nov 2006
The articles describes a C# library for neural network computations, and their application for several problem solving.
Prize winner in Competition "C# Oct 2006"
neuro_demo.zip
neuro_demo
Back Propagation
Approximation
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
Approximation.exe
Data Samples
sample1.csv
sample2.csv
TimeSeries
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
Data Samples
exponent.csv
growing sinusoid.csv
parabola.csv
sigmoid.csv
sinusoid.csv
TimeSeries.exe
XORProblem
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
XORProblem.exe
Simple
Delta Rule Learning
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
Classifier.exe
Data Samples
and.csv
cube.csv
or.csv
sample1.csv
sample2.csv
One-Layer Perceptron Classifier
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
Classifier.exe
Data Samples
sample1.csv
sample2.csv
Perceptron Classifier
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
Classifier.exe
Data Samples
and.csv
cube.csv
or.csv
SOM
2DOrganizing
2DOrganizing.exe
AForge.dll
AForge.Neuro.dll
Color
AForge.dll
AForge.Neuro.dll
Color.exe
TSP
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
TSP.exe
neuro_src.zip
neuro_src
Docs
AForge.Core.chm
AForge.Neuro.chm
Release
AForge.Controls.dll
AForge.dll
AForge.Neuro.dll
Samples
Neuro
Back Propagation
Approximation
App.ico
Data Samples
sample1.csv
sample2.csv
TimeSeries
App.ico
Data Samples
exponent.csv
growing sinusoid.csv
parabola.csv
sigmoid.csv
sinusoid.csv
XORProblem
App.ico
Simple
Delta Rule Learning
App.ico
Data Samples
and.csv
cube.csv
or.csv
sample1.csv
sample2.csv
One-Layer Perceptron Classifier
App.ico
Data Samples
sample1.csv
sample2.csv
Perceptron Classifier
App.ico
Data Samples
and.csv
cube.csv
or.csv
SOM
2DOrganizing
App.ico
Color
App.ico
TSP
App.ico
Sources
Controls
Core
Neuro
Activation Functions
Images
sigmoid.bmp
sigmoid_bipolar.bmp
threshold.bmp
Layers
Learning
Networks
Neurons
// AForge Library
//
// Copyright � Andrew Kirillov, 2006
// andrew.kirillov@gmail.com
//

namespace AForge
{
	using System;

	/// <summary>
	/// Represents a double range with minimum and maximum values
	/// </summary>
	public class DoubleRange
	{
		private double min, max;

		/// <summary>
		/// Minimum value
		/// </summary>
		public double Min
		{
			get { return min; }
			set { min = value; }
		}

		/// <summary>
		/// Maximum value
		/// </summary>
		public double Max
		{
			get { return max; }
			set { max = value; }
		}

		/// <summary>
		/// Length of the range (deffirence between maximum and minimum values)
		/// </summary>
		public double Length
		{
			get { return max - min; }
		}

		
		/// <summary>
		/// Initializes a new instance of the <see cref="DoubleRange"/> class
		/// </summary>
		/// 
		/// <param name="min">Minimum value of the range</param>
		/// <param name="max">Maximum value of the range</param>
		public DoubleRange( double min, double max )
		{
			this.min = min;
			this.max = max;
		}

		/// <summary>
		/// Check if the specified value is inside this range
		/// </summary>
		/// 
		/// <param name="x">Value to check</param>
		/// 
		/// <returns><b>True</b> if the specified value is inside this range or
		/// <b>false</b> otherwise.</returns>
		/// 
		public bool IsInside( double x )
		{
			return ( ( x >= min ) && ( x <= min ) );
		}

		/// <summary>
		/// Check if the specified range is inside this range
		/// </summary>
		/// 
		/// <param name="range">Range to check</param>
		/// 
		/// <returns><b>True</b> if the specified range is inside this range or
		/// <b>false</b> otherwise.</returns>
		/// 
		public bool IsInside( DoubleRange range )
		{
			return ( ( IsInside( range.min ) ) && ( IsInside( range.max ) ) );
		}

		/// <summary>
		/// Check if the specified range overlaps with this range
		/// </summary>
		/// 
		/// <param name="range">Range to check for overlapping</param>
		/// 
		/// <returns><b>True</b> if the specified range overlaps with this range or
		/// <b>false</b> otherwise.</returns>
		/// 
		public bool IsOverlapping( DoubleRange range )
		{
			return ( ( IsInside( range.min ) ) || ( IsInside( range.max ) ) );
		}
	}
}

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License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

About the Author

Andrew Kirillov
Software Developer (Senior) Cisco Systems
United Kingdom United Kingdom
Started software development at about 15 years old and it seems like now it lasts most part of my life. Fortunately did not spend too much time with Z80 and BK0010 and switched to 8086 and further. Similar with programming languages – luckily managed to get away from BASIC and Pascal to things like Assembler, C, C++ and then C#. Apart from daily programming for food, do it also for hobby, where mostly enjoy areas like Computer Vision, Robotics and AI. This led to some open source stuff like AForge.NET.
 
Going out of computers I am just a man loving his family, enjoying traveling, a bit of books, a bit of movies and a mixture of everything else. Always wanted to learn playing guitar, but it seems like 6 strings are much harder than few dozens of keyboard’s keys. Will keep progressing ...

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