/// <summary>
/// Saves this model to disk using LibSVM's model format.
/// </summary>
///
/// <param name="stream">The stream where the file should be written.</param>
///
public void Save(Stream stream)
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine("solver_type " + Solver.GetDescription().ToUpperInvariant());
writer.WriteLine("nr_class " + Classes);
writer.Write("label");
for (int i = 0; i < Labels.Length; i++)
{
writer.Write(" " + Labels[i]);
}
writer.WriteLine();
writer.WriteLine("nr_feature " + Dimension);
writer.WriteLine("bias " + Bias.ToString("G17", CultureInfo.InvariantCulture));
writer.WriteLine("w");
for (int i = 0; i < Weights.Length; i++)
{
writer.WriteLine(Weights[i].ToString("G17", CultureInfo.InvariantCulture) + " ");
}
writer.Flush();
}
public void Save(Stream s)
{
XmlWriter w = null;
try
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
settings.ConformanceLevel = ConformanceLevel.Fragment;
w = XmlWriter.Create(s, settings);
w.WriteStartElement("ColorMap");
w.WriteAttributeString("Type", Type.ToString());
w.WriteAttributeString("Bias", Bias.ToString());
w.WriteAttributeString("Contrast", Contrast.ToString());
SaveCore(w);
w.WriteEndElement();
}
finally
{
if (w != null)
{
w.Close();
}
}
}
/// <summary>
/// 通过I2C获取温度，Vcc,Bias,TxPower
/// </summary>
void GetParas()
{
//AOH 读取SN
//A2H
double temp, vcc, txPower, bais;
short cache = 0;
ushort ucache = 0;
List <byte> data = TranBase.MyI2C_ReadA2HByte(SerBuf, Port, 96, 10);
//Temp 96，97
cache = DigitTransform(data[0], data[1]);
temp = (double)cache / 256;
Temp = temp;
TestingPara.Temp = Temp.ToString();
//Vcc 98，99
ucache = UDigitTransform(data[2], data[3]);
vcc = (double)ucache / 10000; //V
Vcc = vcc;
TestingPara.Vcc = Vcc.ToString();
//Bais 100,101
ucache = UDigitTransform(data[4], data[5]);
bais = (double)ucache / 500;
Bias = bais;
TestingPara.Bias = Bias.ToString();
//TxPower 102,103
ucache = UDigitTransform(data[6], data[7]);
txPower = (double)ucache / 10000; //mW
//取两位有效数字
TxPower = Math.Round((Math.Log10(txPower) * 10), 2);
TestingPara.TxPower = TxPower.ToString();
}
private Task SetElectrometer(ExcelJob job)
{
return(Task.Run(() =>
{
if (el == null)
{
MessageBox.Show("No electrometer available!"); return;
}
////ZERO
//if (!el.IsZeroed() && !alreadyZeroed)
//{
// logger.Log("Zeroing electrometer...");
// await el.Zero();
//}
//SET RANGE
if (el.GetRange() != Autodrive.Electrometers.Enums.Range.HIGH)
{
el.SetRange(Autodrive.Electrometers.Enums.Range.HIGH);
}
//SET BIAS
Bias reqBias = Bias.UNKNOWN;
var currentBias = this.el.GetBias();
switch (job.Bias)
{
case -100:
case -300: reqBias = Bias.NEG_100PERC; break;
case -50:
case -150: reqBias = Bias.NEG_50PERC; break;
case 0: reqBias = Bias.ZERO; break;
case 50:
case 150: reqBias = Bias.POS_50PERC; break;
case 100:
case 300: reqBias = Bias.POS_100PERC; break;
}
if (reqBias != currentBias)
{
logger.Log($"Settng Bias {reqBias.ToString()} + 10 sec delay");
el.SetBias(reqBias);
Thread.Sleep(10000);
}
//SET MODE
if (el.GetMode() != MeasureMode.CHARGE)
{
el.SetMode(MeasureMode.CHARGE);
}
;
el.StopMeasurement();
el.Reset();
}));
}
public string ToString()
{
string content = "Input vector length: <" + InputLength + ">" + Environment.NewLine;
content += "Output classes: <" + Classes + ">" + Environment.NewLine;
content += "Hidden layers: <" + HiddenLayers + ">" + Environment.NewLine;
string hlpString = "";
foreach (var i in NeuronPerLayer)
{
hlpString += i.ToString() + ",";
}
content += "Neurons in each layer: <" + hlpString + ">" + Environment.NewLine;
content += "Bias: <" + Bias.ToString() + ">" + Environment.NewLine;
content += "Seed: <" + Seed + ">" + Environment.NewLine;
content += "Iterations: <" + Iterations + ">" + Environment.NewLine;
content += "Learning factor: <" + LearningFactor + ">" + Environment.NewLine;
return(content);
}
/// <summary>
/// Saves this model to disk using LibSVM's model format.
/// </summary>
///
/// <param name="stream">The stream where the file should be written.</param>
///
public void Save(Stream stream)
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine("solver_type " + Solver.GetDescription().ToUpperInvariant());
writer.WriteLine("nr_class " + NumberOfClasses);
writer.Write("label");
for (int i = 0; i < Labels.Length; i++)
{
writer.Write(" " + Labels[i]);
}
writer.WriteLine();
writer.WriteLine("nr_feature " + NumberOfInputs);
writer.WriteLine("bias " + Bias.ToString("G17", System.Globalization.CultureInfo.InvariantCulture));
if (this.Vectors == null)
{
writer.WriteLine("w");
for (int i = 0; i < Weights.Length; i++)
{
writer.WriteLine(Weights[i].ToString("G17", System.Globalization.CultureInfo.InvariantCulture) + " ");
}
}
else
{
writer.WriteLine("SV");
for (int i = 0; i < Vectors.Length; i++)
{
string alpha = Weights[i].ToString("G17", System.Globalization.CultureInfo.InvariantCulture);
string values = Sparse.FromDense(Vectors[i]).ToString();
writer.WriteLine(alpha + " " + values);
}
}
writer.Flush();
}
public Perceptron Treinar(bool verbose = false)
{
Console.WriteLine($"Treinando perceptron usando os {QuantTreinamento} primeiros exemplos");
int epoca = 0, erroTotal;
var paraTreinar = Exemplos.Take(QuantTreinamento).ToArray();
var início = DateTime.Now;
while (true)
{
erroTotal = 0;
foreach (var exemplo in paraTreinar)
{
var erro = Sinal(exemplo.Saída) - Sinal(Testar(exemplo.Normalizados));
if (verbose)
{
Console.WriteLine($" Acertou: {(erro == 0 ? "Sim" : "Não")}: {exemplo.ToString(this)}");
}
Bias += Magnitude * erro;
for (int i = 0; i < Entradas; i++)
{
Pesos[i] += Magnitude * erro * exemplo.Normalizados[i];
}
erroTotal += erro == 0 ? 0 : 1;
}
if (verbose)
{
Console.WriteLine($"Época {epoca}, Total de erros: {erroTotal}\nBias: {Bias.ToString("0.00")}\nPesos: {string.Join(", ", Pesos.Select(p=>p.ToString("0.00")))}");
}
if (erroTotal == 0)
{
break;
}
else
{
epoca++;
}
}
Console.WriteLine($"Treinamento completo! Levou {epoca} épocas e {(DateTime.Now - início).TotalSeconds} segundos.");
return(this);
}
static int trainingSetNumber = 2; //Applies to aproximation variant
#endregion
public static void Main(String[] args)
{
Random gen = new Random();
if (variant == Variant.transformation)
{
double succesfulOutputsCount = 0;
double totalOutputsCount = 4 * executionsCount;
for (int counter = 1; counter <= executionsCount; counter++)
{
string fileName = variant.ToString() + "_" + bias.ToString() + "_Execution" + counter.ToString() + "EpochsDiffrences.xml";
StreamWriter sw = new StreamWriter(fileName);
XmlSerializer xs = new XmlSerializer(typeof(List <double>));
List <double> EpochsMSEs = new List <double>();
double[][] testSamples = LoadTrainingDataFromFileTransformation();
double[][] finalInputOutput = null;
List <double[]> trainingSet = new List <double[]>();
RefillTrainingSet(trainingSet, testSamples);
Neuron[] hiddenLayer = null;
Neuron[] outputLayer = null;
InitalizeLayers(ref hiddenLayer, ref outputLayer);
for (int i = 1; i <= epochsCount; i++)
{
double EpochMSE = 0;
double IterationError = 0;
EpochMSE = 0;
for (int j = trainingSet.Count; j > 0; j--)
{
IterationError = 0;
int randomIndex = gen.Next(j);
double[] inputs1 = trainingSet[randomIndex];
double[] inputs2 = new double[hiddenLayerCount];
foreach (Neuron n in hiddenLayer)
{
n.Inputs = inputs1;
}
for (int k = 0; k < hiddenLayer.Length; k++)
{
inputs2[k] = hiddenLayer[k].Output();
}
foreach (Neuron n in outputLayer)
{
n.Inputs = inputs2;
}
double[] outputsErrors = new double[4];
for (int k = 0; k < outputLayer.Length; k++)
{
outputsErrors[k] = (inputs1[k] - outputLayer[k].Output());
IterationError += Pow(outputsErrors[k], 2);
}
for (int k = 0; k < outputLayer.Length; k++)
{
outputLayer[k].Error = Sigm.FunctionDerivative(outputLayer[k].Output()) * (outputsErrors[k]);
}
for (int k = 0; k < hiddenLayer.Length; k++)
{
double value = 0;
for (int l = 0; l < hiddenLayer[k].Weights.Length; l++)
{
value += Sigm.FunctionDerivative(hiddenLayer[k].Output()) * outputLayer[l].Error * outputLayer[l].Weights[k];
}
hiddenLayer[k].Error = value;
}
for (int k = 0; k < outputLayer.Length; k++)
{
outputLayer[k].UpdateWeights();
}
for (int k = 0; k < hiddenLayer.Length; k++)
{
hiddenLayer[k].UpdateWeights();
}
trainingSet.RemoveAt(randomIndex);
EpochMSE += IterationError;
}
EpochMSE /= 4;
RefillTrainingSet(trainingSet, testSamples);
if (i % 20 == 1)
{
EpochsMSEs.Add(EpochMSE);
}
}
for (int i = 0; i < 4; i++)
{
int maxIndex = 0;
double[] inputs1 = trainingSet[i];
double[] inputs2 = new double[hiddenLayerCount];
foreach (Neuron n in hiddenLayer)
{
n.Inputs = inputs1;
}
for (int j = 0; j < hiddenLayer.Length; j++)
{
inputs2[j] = hiddenLayer[j].Output();
}
foreach (Neuron n in outputLayer)
{
n.Inputs = inputs2;
}
for (int j = 0; j < outputLayer.Length; j++)
{
if (outputLayer[j].Output() > outputLayer[maxIndex].Output())
{
maxIndex = j;
}
}
List <int> indexes = GetNumbers(4);
indexes.Remove(maxIndex);
for (int j = 0; j < 4; j++)
{
WriteLine($"Input: {trainingSet[i][j]} Output: {outputLayer[j].Output()}");
}
WriteLine();
if (outputLayer[indexes[0]].Output() < 0.5 && outputLayer[indexes[1]].Output() < 0.5 && outputLayer[indexes[2]].Output() < 0.5 && outputLayer[maxIndex].Output() > 0.5)
{
succesfulOutputsCount++;
}
}
WriteLine("================================================");
ReadKey();
xs.Serialize(sw, EpochsMSEs);
}
WriteLine($"Successful: {succesfulOutputsCount} Total: {totalOutputsCount}");
XmlSerializer xs1 = new XmlSerializer(typeof(double[]));
using (StreamWriter sw1 = new StreamWriter(variant.ToString() + "_" + bias.ToString() + "_Execution_stats.xml"))
{
xs1.Serialize(sw1, new double[] { succesfulOutputsCount, totalOutputsCount });
}
ReadKey();
}
if (variant == Variant.aproximation)
{
for (int counter = 1; counter <= executionsCount; counter++)
{
StreamWriter sw = new StreamWriter(variant.ToString() + "_" + bias.ToString() + "_Execution" + counter.ToString() + "EpochsDiffrences.xml");
XmlSerializer xs = new XmlSerializer(typeof(List <ApproximationData>));
List <ApproximationData> toSerialize = new List <ApproximationData>();
List <double> trainingDataInputs = new List <double>();
List <double> trainingDataOutputs = new List <double>();
List <double> testingDataInputs = new List <double>();
List <double> testingDataOutputs = new List <double>();
LoadTrainingDataFromFileAproximation(trainingDataInputs, trainingDataOutputs, testingDataInputs, testingDataOutputs);
Neuron[] hiddenLayer = new Neuron[hiddenLayerCount];
Neuron[] outputLayer = new Neuron[1];
for (int i = 0; i < hiddenLayer.Length; i++)
{
hiddenLayer[i] = new Neuron(1, 1);
hiddenLayer[i].RandomizeValues();
}
outputLayer[0] = new Neuron(hiddenLayerCount, 2);
outputLayer[0].RandomizeValues();
double TrainingMSE = 0;
for (int i = 1; i <= epochsCount; i++)
{
List <int> numbers = GetNumbers(trainingDataInputs.Count);
List <double> finalOutput = new List <double>();
TrainingMSE = 0;
for (int j = 0; j < trainingDataInputs.Count; j++)
{
int randomIndex = gen.Next(numbers.Count);
numbers.RemoveAt(randomIndex);
double[] hiddenLayerInputs = new double[] { trainingDataInputs[randomIndex] };
double[] outputLayerInputs = new double[hiddenLayerCount];
foreach (Neuron n in hiddenLayer)
{
n.Inputs = hiddenLayerInputs;
}
for (int k = 0; k < hiddenLayer.Length; k++)
{
outputLayerInputs[k] = hiddenLayer[k].Output();
}
outputLayer[0].Inputs = outputLayerInputs;
double diffrence = 0;
diffrence = trainingDataOutputs[randomIndex] - outputLayer[0].Output();
TrainingMSE += Pow(diffrence, 2);
outputLayer[0].Error = Linear.FunctionDerivative(outputLayer[0].Output()) * diffrence;
for (int k = 0; k < hiddenLayer.Length; k++)
{
hiddenLayer[k].Error = Sigm.FunctionDerivative(hiddenLayer[k].Output()) * outputLayer[0].Error * outputLayer[0].Weights[k];
hiddenLayer[k].UpdateWeights();
}
outputLayer[0].UpdateWeights();
}
TrainingMSE /= trainingDataInputs.Count;
double TestingMSE = 0;
for (int j = 0; j < testingDataInputs.Count; j++)
{
double[] hiddenLayerInputs = new double[] { testingDataInputs[j] };
double[] outputLayerInputs = new double[hiddenLayerCount];
foreach (Neuron n in hiddenLayer)
{
n.Inputs = hiddenLayerInputs;
}
for (int k = 0; k < hiddenLayer.Length; k++)
{
outputLayerInputs[k] = hiddenLayer[k].Output();
}
outputLayer[0].Inputs = outputLayerInputs;
TestingMSE += Pow(testingDataOutputs[j] - outputLayer[0].Output(), 2);
if (i == epochsCount)
{
finalOutput.Add(outputLayer[0].Output());
}
}
if (i == epochsCount)
{
XmlSerializer xs1 = new XmlSerializer(typeof(List <double>));
using (StreamWriter sw1 = new StreamWriter(variant.ToString() + "_" + bias.ToString() + "_Execution" + counter.ToString() + "FinalOuput.xml"))
{
xs1.Serialize(sw1, finalOutput);
}
}
TestingMSE /= testingDataInputs.Count;
ApproximationData approximationData;
approximationData.MSETrening = TrainingMSE;
approximationData.MSETest = TestingMSE;
if (i % 20 == 1)
{
toSerialize.Add(approximationData);
}
}
xs.Serialize(sw, toSerialize);
}
}
}