C# Class numl.Math.Functions.Cost.LogisticCostFunction

Inheritance: ICostFunction
ファイルを表示 Open project: sethjuarez/numl Class Usage Examples

Public Methods

Method Description
ComputeCost ( Vector theta ) : double

Compute the error cost of the given Theta parameter for the training and label sets
ComputeGradient ( Vector theta ) : Vector

Compute the error gradient of the given Theta parameter for the training and label sets
LogisticCostFunction ( ) : System.Linq

Initializes a new LogisticCostFunction with the default sigmoid logistic function.

Method Details

ComputeCost() public method

Compute the error cost of the given Theta parameter for the training and label sets
public ComputeCost ( Vector theta ) : double
theta numl.Math.LinearAlgebra.Vector Learning Theta parameters
return double

ComputeGradient() public method

Compute the error gradient of the given Theta parameter for the training and label sets
public ComputeGradient ( Vector theta ) : Vector
theta numl.Math.LinearAlgebra.Vector Learning Theta parameters
return numl.Math.LinearAlgebra.Vector

LogisticCostFunction() public method

Initializes a new LogisticCostFunction with the default sigmoid logistic function.
public LogisticCostFunction ( ) : System.Linq
return System.Linq