public Matrix <R> ComputeVariablesJacobian(D input)
{
var leftJacobian = LeftFunction.ComputeParametersJacobian(input);
var rightJacobian = RightFunction.ComputeParametersJacobian(input);
var scalar = RightFunction.Compute(input).MultiplicativeInverse;
leftJacobian *= scalar;
rightJacobian *= -LeftFunction.Compute(input) * scalar * scalar;
return(leftJacobian - rightJacobian);
}
public void GetAllParametersOptimizationScales(R[] buffer, int startIndex)
{
LeftFunction.GetAllParametersOptimizationScales(buffer, startIndex);
RightFunction.GetAllParametersOptimizationScales(buffer, startIndex + LeftFunction.ParametersCount);
}
public void SetAllParameters(R[] paramValues, int startIndex)
{
LeftFunction.SetAllParameters(paramValues, startIndex);
RightFunction.SetAllParameters(paramValues, startIndex + LeftFunction.ParametersCount);
}
public string ToSQL(LeftFunction funcExp)
{
return(_FunctionToSQL(funcExp, "LEFT"));
}
public R Compute(D input)
{
return(LeftFunction.Compute(input).Divide(RightFunction.Compute(input)));
}
public object Evaluate(LeftFunction funcExp, object data, IEnumerable <object> parameters = null)
{
var paramValues = _GetParameterValues(funcExp, data, parameters);
return((object)((string)paramValues[0]).Substring(0, (int)paramValues[1]));
}
public void GetAllParameters(PF[] buffer, int startIndex)
{
LeftFunction.GetAllParameters(buffer, startIndex);
RightFunction.GetAllParameters(buffer, startIndex + LeftFunction.ParametersCount);
}
public Matrix <PF> ComputeVariablesJacobian(D input)
{
return(LeftFunction.ComputeVariablesJacobian(input) - RightFunction.ComputeVariablesJacobian(input));
}
public Matrix <PF> ComputeParametersJacobian(D input)
{
return(Matrix <PF> .ConcatRows(LeftFunction.ComputeParametersJacobian(input), -RightFunction.ComputeParametersJacobian(input)));
}
public R Compute(D input)
{
return(LeftFunction.Compute(input).Subtract(RightFunction.Compute(input)));
}