public void HeurusticRoomChoose(string filename)
{
var data = Data.ReadXml(dataPath + filename, "120", "4");
Console.WriteLine($"Dataset: {data.Name}");
Console.WriteLine($"Courses: {data.Courses.Count} Lectures: {data.Courses.Sum(c => c.Lectures)}");
var formulation = ProblemFormulation.MinimizeRoomCost;
var newrooms = CreateRoomsFixedSize(data, 25, 1);
data.SetRoomList(newrooms);
var solutions = new List <Dictionary <Room, int> >();
for (var overcapacity = 0; overcapacity < 100; overcapacity += 10)
{
var model = new RoomChoose(data, formulation, overcapacity);
model.Optimize();
var usedrooms = model.GetUsedRooms();
solutions.Add(usedrooms);
DisplayRoomStats("testest", usedrooms, data);
}
var nsizes = newrooms.Select(r => r.Capacity).Distinct().ToList();
nsizes.Add(0);
nsizes.Sort();
// nsizes.RemoveAt(nsizes.Count-1);
Console.WriteLine("\nAccumulated Timeslots Free / #lecture (>n):");
Console.WriteLine($"Cost;{string.Join(";", nsizes.Select(r => "n" + r))}");
foreach (var sol in solutions)
{
var availRoomsHours = nsizes.ToDictionary(n => n, n => sol.Where(rkv => rkv.Key.Capacity > n).Sum(rt => rt.Value * data.TimeSlots.Count));
var freeTimeslots = nsizes.ToDictionary(n => n,
n => availRoomsHours[n] - data.Courses.Where(a => a.NumberOfStudents > n).Sum(c => c.Lectures));
Console.WriteLine(
$"{sol.Sum(s => s.Value*s.Key.Cost)};{string.Join(";", nsizes.Select(r => $"{((double) availRoomsHours[r] / data.Courses.Where(a => a.NumberOfStudents > r).Sum(c => c.Lectures)) -1:0.00}")) }");
}
}
public void MaximizeRoomUtilizationSimplemodel(string filename)
{
var data = Data.ReadXml(dataPath + filename, "120", "4");
Console.WriteLine($"Dataset: {data.Name}");
Console.WriteLine($"Courses: {data.Courses.Count} Lectures: {data.Courses.Sum(c => c.Lectures)}");
var formulation = ProblemFormulation.MinimizeRoomCost;
var newrooms = CreateRooms(data);
data.SetRoomList(newrooms);
var model = new RoomChoose(data, formulation);
model.Optimize();
var usedrooms = model.GetUsedRooms();
DisplayRoomStats("optimizedLowerBound", usedrooms, data);
var roomcalc = new RoomCombinations(data);
Assert.LessOrEqual(Math.Abs(roomcalc._minCost - usedrooms.Sum(r => r.Key.Cost * r.Value)), 1e-1, "something wrong");
}
