public override double Compute(Indexer inputs, Indexer weights)
{
var prevIndex = -1;
var nextIndex = -1;
for (int i = 0; i < Table.Count; i++)
{
if (Table[i].Item1 < inputs[0])
{
prevIndex = i;
}
else
{
nextIndex = i;
break;
}
}
if (prevIndex == -1)
{
prevIndex = nextIndex;
nextIndex++;
}
if (nextIndex == -1)
{
nextIndex = prevIndex;
prevIndex--;
}
var prev = Table[prevIndex];
var next = Table[nextIndex];
var k = (next.Item2 - prev.Item2) / (next.Item1 - prev.Item1);
var b = prev.Item2 - k * prev.Item1;
return(k * inputs[0] + b);
}
public abstract void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative);
public abstract double Compute(Indexer inputs, Indexer weights);
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
for (int i = 0; i < InputsCount; i++)
{
inputsDerivative[i] += error;
}
}
public override double Compute(Indexer inputs, Indexer weights)
{
return(inputs.Sum());
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
if (!IsFixed)
{
weightsDerivative[0] += error * LearningQ;
}
}
public override double Compute(Indexer inputs, Indexer weights)
{
return(weights[0]);
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
throw new NotImplementedException();
}
public override double Compute(Indexer inputs, Indexer weights)
{
return(ShiftAfterMultuplication + Multiplier * (ShiftBeforeMultiplication + inputs[0]));
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
var sum = weights[inputsCount];
for (int i = 0; i < inputsCount; i++)
{
sum += inputs[i] * weights[i];
}
var d = Function.Derivative(sum);
if (double.IsNaN(d))
{
throw new Exception();
}
weightsDerivative[inputsCount] += error * d;
for (int i = 0; i < inputsCount; i++)
{
weightsDerivative[i] += error * d * inputs[i];
inputsDerivative[i] += error * d * weights[i];
}
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
if (!DisableLearing)
{
inputsDerivative[0] += error;
}
}
public override double Compute(Indexer inputs, Indexer weights)
{
return(LastComputedValue = inputs[0]);
}
public override double Compute(Indexer inputs, Indexer weights)
{
return(inputs.Aggregate((a, b) => a * b));
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
inputsDerivative[0] += error / Multiplier;
}
public override void Derivative(double error, Indexer inputs, Indexer weights, Indexer inputsDerivative, Indexer weightsDerivative)
{
for (int i = 0; i < inputsCount; i++)
{
double product = 1;
for (int j = 0; j < InputsCount; j++)
{
if (j == i)
{
continue;
}
else
{
product *= inputs[j];
}
}
inputsDerivative[i] += error * product;
}
}
public override double Compute(Indexer inputs, Indexer weights)
{
throw new NotImplementedException();
}