public HighsModel(double[] colcost, double[] collower, double[] colupper, double[] rowlower, double[] rowupper,
int[] astart, int[] aindex, double[] avalue, double offset = 0, HighsMatrixFormat a_format = HighsMatrixFormat.kColwise, HighsObjectiveSense sense = HighsObjectiveSense.kMinimize)
{
this.colcost = colcost;
this.collower = collower;
this.colupper = colupper;
this.rowlower = rowlower;
this.rowupper = rowupper;
this.astart = astart;
this.aindex = aindex;
this.avalue = avalue;
this.offset = offset;
this.a_format = a_format;
this.sense = sense;
}
static void Main(string[] args)
{
double[] cc = { 1, -2 };
double[] cl = { 0, 0 };
double[] cu = { 10, 10 };
double[] rl = { 0, 0 };
double[] ru = { 2, 1 };
int[] astart = { 0, 2 };
int[] aindex = { 0, 1, 0, 1 };
double[] avalue = { 1, 2, 1, 3 };
HighsObjectiveSense sense = HighsObjectiveSense.kMinimize;
double offset = 0;
HighsMatrixFormat a_format = HighsMatrixFormat.kColwise;
HighsModel model = new HighsModel(cc, cl, cu, rl, ru, astart, aindex, avalue, offset, a_format, sense);
HighsLpSolver solver = new HighsLpSolver();
HighsStatus status = solver.passLp(model);
status = solver.run();
HighsSolution sol = solver.getSolution();
HighsBasis bas = solver.getBasis();
HighsModelStatus modelStatus = solver.GetModelStatus();
Console.WriteLine("Status: " + status);
Console.WriteLine("Modelstatus: " + modelStatus);
for (int i = 0; i < sol.rowvalue.Length; i++)
{
Console.WriteLine("Activity for row " + i + " = " + sol.rowvalue[i]);
}
for (int i = 0; i < sol.coldual.Length; i++)
{
Console.WriteLine("Reduced cost x[" + i + "] = " + sol.coldual[i]);
}
for (int i = 0; i < sol.rowdual.Length; i++)
{
Console.WriteLine("Dual value for row " + i + " = " + sol.rowdual[i]);
}
for (int i = 0; i < sol.colvalue.Length; i++)
{
Console.WriteLine("x" + i + " = " + sol.colvalue[i] + " is " + bas.colbasisstatus[i]);
}
}
public HighsStatus changeObjectiveSense(HighsObjectiveSense sense)
{
return((HighsStatus)HighsLpSolver.Highs_changeObjectiveSense(this.highs, (int)sense));
}
