public void EhView_EvaluateChiSqr()
{
if (true == this._parameterController.Apply())
{
LevMarAdapter fitAdapter = new LevMarAdapter(_doc.FitEnsemble, _doc.CurrentParameters);
this._chiSquare = fitAdapter.EvaluateChiSquare();
//_doc.FitEnsemble.InitializeParametersFromParameterSet(_doc.CurrentParameters);
//_doc.FitEnsemble.DistributeParameters();
OnAfterFittingStep();
}
else
{
Current.Gui.ErrorMessageBox("Some of your parameter input is not valid!");
}
}
public NelderMeadCostFunction(LevMarAdapter adapter)
{
_adapter = adapter;
}
public void EhView_DoFit()
{
if (true == this._parameterController.Apply())
{
// _doc.FitEnsemble.InitializeParametersFromParameterSet(_doc.CurrentParameters);
LevMarAdapter fitAdapter = new LevMarAdapter(_doc.FitEnsemble, _doc.CurrentParameters);
Current.Gui.ShowBackgroundCancelDialog(10000, new System.Threading.ThreadStart(fitAdapter.Fit), null);
this._chiSquare = fitAdapter.ResultingChiSquare;
fitAdapter.CopyParametersBackTo(_doc.CurrentParameters);
//_doc.FitEnsemble.InitializeParametersFromParameterSet(_doc.CurrentParameters);
//_doc.FitEnsemble.DistributeParameters();
OnAfterFittingStep();
}
else
{
Current.Gui.ErrorMessageBox("Some of your parameter input is not valid!");
}
}
public void OnSimulation(bool calculateUnusedDependentVariablesAlso)
{
// we investigate for every fit element the corresponding table, and add columns to that table
LevMarAdapter fitAdapter = new LevMarAdapter(_doc.FitEnsemble, _doc.CurrentParameters);
int numberOfData;
if (calculateUnusedDependentVariablesAlso)
{
numberOfData = 0;
for (int i = 0; i < _doc.FitEnsemble.Count; i++)
numberOfData += fitAdapter.GetValidNumericRows(i).Count * _doc.FitEnsemble[i].NumberOfDependentVariables;
}
else
{
numberOfData = fitAdapter.NumberOfData;
}
// calculate the resulting values
double[] resultingValues = new double[numberOfData];
fitAdapter.EvaluateFitValues(resultingValues, calculateUnusedDependentVariablesAlso);
int nextStartOfDependentValues = 0;
for (int i = 0; i < _doc.FitEnsemble.Count; i++)
{
FitElement fitEle = _doc.FitEnsemble[i];
int startOfDependentValues = nextStartOfDependentValues;
Collections.IAscendingIntegerCollection validRows = fitAdapter.GetValidNumericRows(i);
nextStartOfDependentValues += validRows.Count * fitEle.NumberOfUsedDependentVariables;
Altaxo.Data.DataTable parentTable = fitEle.GetParentDataTable();
if (parentTable == null)
continue;
if (calculateUnusedDependentVariablesAlso)
{
// now we have the parent table, we can add columns to it as we need for the independent variables
int numDependentVars = fitEle.NumberOfDependentVariables;
for (int k = 0; k < fitEle.NumberOfDependentVariables; k++)
{
DoubleColumn col = new DoubleColumn();
for (int j = 0; j < validRows.Count; j++)
col[validRows[j]] = resultingValues[startOfDependentValues + k + j * numDependentVars];
parentTable.DataColumns.Add(col, fitEle.FitFunction.DependentVariableName(k) + ".Sim", ColumnKind.V);
}
}
else // use only the used dependent variables
{
int[] inUse = fitAdapter.GetDependentVariablesInUse(i);
// copy the evaluation result to the output array (interleaved)
for (int k = 0; k < inUse.Length; ++k)
{
DoubleColumn col = new DoubleColumn();
for (int j = 0; j < validRows.Count; j++)
col[validRows[j]] = resultingValues[startOfDependentValues + k + j * inUse.Length];
string name = null;
int groupNumber = 0;
if (fitEle.DependentVariables(inUse[k]) is DataColumn)
{
var srcCol = (DataColumn)fitEle.DependentVariables(inUse[k]);
var srcTable = DataColumnCollection.GetParentDataColumnCollectionOf(srcCol);
if (srcTable != null)
{
name = srcTable.GetColumnName(srcCol);
groupNumber = srcTable.GetColumnGroup(srcCol);
}
}
if (null == name)
fitEle.FitFunction.DependentVariableName(inUse[k]);
parentTable.DataColumns.Add(col, name + ".Sim", ColumnKind.V, groupNumber);
}
}
}
}
public void OnSimulationWithInterval(bool calculateUnusedDependentVariablesAlso, Common.EquallySpacedInterval interval)
{
// we investigate for every fit element the corresponding table, and add columns to that table
LevMarAdapter fitAdapter = new LevMarAdapter(_doc.FitEnsemble, _doc.CurrentParameters);
int intervalCount = (int)interval.Count;
for (int i = 0; i < _doc.FitEnsemble.Count; i++)
{
FitElement fitEle = _doc.FitEnsemble[i];
Altaxo.Data.DataTable parentTable = fitEle.GetParentDataTable();
if (parentTable == null)
continue;
double[] X = new double[fitEle.NumberOfIndependentVariables];
double[] Y = new double[fitEle.NumberOfDependentVariables];
double[] P = new double[fitEle.NumberOfParameters];
DoubleColumn[] xCols = new DoubleColumn[fitEle.NumberOfIndependentVariables];
DoubleColumn[] yCols = new DoubleColumn[fitEle.NumberOfDependentVariables];
for (int k = 0; k < xCols.Length; k++)
xCols[k] = new DoubleColumn();
for (int k = 0; k < yCols.Length; k++)
yCols[k] = new DoubleColumn();
fitAdapter.GetParameters(i, P);
for (int k = 0; k < intervalCount; k++)
{
double xx = interval[k];
for (int j = 0; j < X.Length; j++)
{
X[j] = xx;
xCols[j][k] = xx;
}
fitEle.FitFunction.Evaluate(X, P, Y);
for (int j = 0; j < Y.Length; j++)
yCols[j][k] = Y[j];
}
int newGroup = parentTable.DataColumns.GetUnusedColumnGroupNumber();
for (int k = 0; k < fitEle.NumberOfIndependentVariables; k++)
parentTable.DataColumns.Add(xCols[k], fitEle.FitFunction.DependentVariableName(k) + ".Sim", ColumnKind.X, newGroup);
if (calculateUnusedDependentVariablesAlso)
{
// now we have the parent table, we can add columns to it as we need for the independent variables
for (int k = 0; k < fitEle.NumberOfDependentVariables; k++)
parentTable.DataColumns.Add(yCols[k], fitEle.FitFunction.DependentVariableName(k) + ".Sim", ColumnKind.V, newGroup);
}
else // use only the used dependent variables
{
int[] inUse = fitAdapter.GetDependentVariablesInUse(i);
// copy the evaluation result to the output array (interleaved)
for (int k = 0; k < inUse.Length; ++k)
parentTable.DataColumns.Add(yCols[inUse[k]], fitEle.FitFunction.DependentVariableName(inUse[k]) + ".Sim", ColumnKind.V, newGroup);
}
}
}
public void EhView_DoSimplex()
{
if (true == this._parameterController.Apply(false))
{
// _doc.FitEnsemble.InitializeParametersFromParameterSet(_doc.CurrentParameters);
LevMarAdapter fitAdapter = new LevMarAdapter(_doc.FitEnsemble, _doc.CurrentParameters);
var fitThread = new System.Threading.Thread(new System.Threading.ThreadStart(fitAdapter.DoSimplexMinimization));
fitThread.Start();
Current.Gui.ShowBackgroundCancelDialog(10000, null, fitThread);
if (!(fitThread.ThreadState.HasFlag(System.Threading.ThreadState.Aborted)))
{
this._chiSquare = fitAdapter.ResultingChiSquare;
fitAdapter.CopyParametersBackTo(_doc.CurrentParameters);
//_doc.FitEnsemble.InitializeParametersFromParameterSet(_doc.CurrentParameters);
//_doc.FitEnsemble.DistributeParameters();
OnAfterFittingStep();
}
}
else
{
Current.Gui.ErrorMessageBox("Some of your parameter input is not valid!");
}
}
public void EhView_EvaluateChiSqr()
{
if (true == this._parameterController.Apply(false))
{
LevMarAdapter fitAdapter = new LevMarAdapter(_doc.FitEnsemble, _doc.CurrentParameters);
var fitThread = new System.Threading.Thread(new System.Threading.ThreadStart(() => this._chiSquare = fitAdapter.EvaluateChiSquare()));
fitThread.Start();
Current.Gui.ShowBackgroundCancelDialog(10000, null, fitThread);
if (!(fitThread.ThreadState.HasFlag(System.Threading.ThreadState.Aborted)))
{
OnAfterFittingStep();
}
}
else
{
Current.Gui.ErrorMessageBox("Some of your parameter input is not valid!");
}
}
public NelderMeadCostFunction(LevMarAdapter adapter)
{
_adapter = adapter;
}
/// <summary>
/// Executes the fit. Afterwards, you can get the fit parameters by <see cref="GetParameter"/>, or the resulting Chi².
/// </summary>
public void Fit()
{
_fitAdapter = new LevMarAdapter(_fitDoc.FitEnsemble, _fitDoc.CurrentParameters);
_fitAdapter.Fit();
_fitAdapter.CopyParametersBackTo(_fitDoc.CurrentParameters);
}
/// <summary>
/// Executes the fit. Afterwards, you can get the fit parameters by <see cref="GetParameter"/>, or the resulting Chi².
/// </summary>
public void Fit()
{
_fitAdapter = new LevMarAdapter(_fitDoc.FitEnsemble, _fitDoc.CurrentParameters);
_fitAdapter.Fit();
_fitAdapter.CopyParametersBackTo(_fitDoc.CurrentParameters);
}