/// <summary>
/// This will set all parameters in the ensembly with the same name than that of the parameter names
/// of fit function at index <c>idx</c> to their default values (those are provided by the fit function).
/// </summary>
/// <param name="idx">Index of the fit element.</param>
public void SetDefaultParametersForFitElement(int idx)
{
FitElement fitele = _fitEnsemble[idx];
if (fitele.FitFunction == null)
{
return;
}
var byName = new System.Collections.Hashtable();
for (int i = 0; i < _currentParameters.Count; i++)
{
byName.Add(_currentParameters[i].Name, i);
}
for (int i = 0; i < fitele.NumberOfParameters; ++i)
{
int k = (int)byName[fitele.ParameterName(i)];
_currentParameters[k].Parameter = fitele.FitFunction.DefaultParameterValue(i);
}
_currentParameters.OnInitializationFinished();
}
public void CopyParametersBackTo(ParameterSet pset)
{
if (pset.Count != _constantParameters.Length)
{
throw new ArgumentException("Length of parameter set pset does not match with cached length of parameter set");
}
int varyingPara = 0;
for (int i = 0; i < pset.Count; i++)
{
if (pset[i].Vary)
{
varyingPara++;
}
}
if (varyingPara != _cachedVaryingParameters.Length)
{
throw new ArgumentException("Number of varying parameters in pset does not match cached number of varying parameters");
}
varyingPara = 0;
for (int i = 0; i < pset.Count; i++)
{
if (pset[i].Vary)
{
pset[i].Parameter = _cachedVaryingParameters[varyingPara];
pset[i].Variance = _resultingCovariances == null ? 0 : Math.Sqrt(_resultingCovariances[varyingPara + varyingPara * _cachedVaryingParameters.Length]);
varyingPara++;
}
else
{
pset[i].Parameter = _constantParameters[i];
pset[i].Variance = 0;
}
}
pset.OnInitializationFinished();
}
public void CopyParametersBackTo(ParameterSet pset)
{
if (pset.Count != this._constantParameters.Length)
throw new ArgumentException("Length of parameter set pset does not match with cached length of parameter set");
int varyingPara = 0;
for (int i = 0; i < pset.Count; i++)
{
if (pset[i].Vary)
varyingPara++;
}
if (varyingPara != this._cachedVaryingParameters.Length)
throw new ArgumentException("Number of varying parameters in pset does not match cached number of varying parameters");
varyingPara = 0;
for (int i = 0; i < pset.Count; i++)
{
if (pset[i].Vary)
{
pset[i].Parameter = this._cachedVaryingParameters[varyingPara];
pset[i].Variance = _resultingCovariances == null ? 0 : Math.Sqrt(_resultingCovariances[varyingPara + varyingPara * _cachedVaryingParameters.Length]);
varyingPara++;
}
else
{
pset[i].Parameter = this._constantParameters[i];
pset[i].Variance = 0;
}
}
pset.OnInitializationFinished();
}