public RationalNumber[][] GetLinEqSetMatrixOrd()
{
long m = EquationsCount;
long n = VarsCount;
RationalNumber[][] A = AppHelper.CreateAmnMatrix <RationalNumber>(m, n + 1);
RationalNumber[][] A_local = A;
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n + 1; j++)
{
A[i][j] = new RationalNumber(0, 1);
}
}
Equations.ForEach(r1 => r1.Value.ForEach(
r2 =>
{
A_local[r1.Key][r2.Key] = new RationalNumber(r2.Value);
}));
VectorB.ForEach(r =>
{
A_local[r.Key][n] = new RationalNumber(r.Value.Value);
});
return(A);
}
public (long[][], long[][]) GetLinEqSetMatrixFast()
{
long m = EquationsCount;
long n = VarsCount;
long[][] A_p = AppHelper.CreateAmnMatrix <long>(m, n + 1);
long[][] A_q = AppHelper.CreateAmnMatrix <long>(m, n + 1);
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n + 1; j++)
{
A_p[i][j] = 0;
A_q[i][j] = 1;
}
}
Equations.ForEach(r1 => r1.Value.ForEach(
r2 => {
A_p[r1.Key][r2.Key] = r2.Value.ToLong();
A_q[r1.Key][r2.Key] = 1;
}));
VectorB.ForEach(r =>
{
A_p[r.Key][n] = r.Value.Value.ToLong();
A_q[r.Key][n] = 1;
});
return(A_p, A_q);
}
public SparseMatrix GetLinEqSetSparseMatrix()
{
long m = EquationsCount;
long n = VarsCount;
SparseMatrix A = new(m, n + 1);
Equations.ForEach(r1 => r1.Value.ForEach(
r2 =>
{
A.Set(r1.Key, r2.Key, new RationalNumber(r2.Value));
}));
VectorB.ForEach(r =>
{
A.Set(r.Key, n, new RationalNumber(r.Value.Value));
});
return(A);
}
private void ReorderCashFlowGroup(BudgetCalculatorEquation itemToReorder, int placeAtIndex)
{
//var itemsCopy = Equations.ToList();
var itemToReorderIndex = Equations.IndexOf(itemToReorder);
if (itemToReorderIndex < 0 || itemToReorderIndex == placeAtIndex)
{
return;
}
Equations.IsNotifying = false;
SuppressEvent = true;
Equations.Insert(placeAtIndex, itemToReorder);
if (placeAtIndex > itemToReorderIndex)
{
Equations.RemoveAt(itemToReorderIndex);
}
else
{
Equations.RemoveAt(itemToReorderIndex + 1);
}
int position = 1;
Equations.ForEach(x => x.Position = position++);
using (var tx = Database.GetTransaction())
{
Database.SaveAll(Equations);
tx.Complete();
}
Equations.IsNotifying = true;
Equations.Refresh();
NotifyOfPropertyChange(() => AvaiableEquations);
CachedService.Clear(CachedServiceKeys.AllEquations);
SuppressEvent = false;
}
