/// <summary>
/// retruns the inputs and output data objects for the given modelobjects collection
/// </summary>
/// <param name="modelobjects"></param>
/// <param name="dataobjects"></param>
/// <returns></returns>
public static object[] GetInputOutputs(List <WorkflowComponent> modelobjects, List <Data> dataobjects)
{
Matrix <double> iMatrix = WorkflowComponent.GetIncidenceMatrix(modelobjects, dataobjects);
object[] vInOut = new object[2];
var vInputs = new List <Data>();
var vOutputs = new List <Data>();
for (int ncount = 0; ncount < iMatrix?.ColumnCount; ncount++)
{
if ((MatrixCalculators.FindValueInVector(iMatrix.Column(ncount), 2) > 0) & (MatrixCalculators.FindValueInVector(iMatrix.Column(ncount), 3) > 0))
{
vOutputs.Add(dataobjects[ncount]);
}
else if (MatrixCalculators.FindValueInVector(iMatrix.Column(ncount), 3) > 0)
{
vOutputs.Add(dataobjects[ncount]);
}
else if (MatrixCalculators.FindValueInVector(iMatrix.Column(ncount), 2) > 0)
{
vInputs.Add(dataobjects[ncount]);
}
}
vInOut[0] = vInputs;
vInOut[1] = vOutputs;
return(vInOut);
}
/// <summary>
/// Converts an incidence matrix to design structure matrix.
/// </summary>
/// <param name="iMatrix"></param>
/// <returns></returns>
public static Matrix <double> ImmtoDsm(Matrix <double> iMatrix)
{
// converts imm to dsm
var vDsm = new DenseMatrix(iMatrix.RowCount, iMatrix.RowCount);
MatrixCalculators.Eye(vDsm);
double[,] vSpRowCol = MatrixCalculators.FindValue(iMatrix, 3);
for (int nsprow = 0; nsprow < vSpRowCol.GetLength(0); nsprow++)
{
Vector <double> vSpInp = MatrixCalculators.FindLocValueInVector(iMatrix.Column((int)vSpRowCol[nsprow, 1]), 2);
if (vSpInp != null)
{
for (int nvSpInp = 0; nvSpInp < vSpInp.Count; nvSpInp++)
{
vDsm[(int)vSpRowCol[nsprow, 0], (int)vSpInp[nvSpInp]] = 1;
}
}
}
return(vDsm);
}