} //end
public void fillsimulationtable()
{
Random rand_num = new Random();
for (int i = 0; i < this.NumOfRecords; i++)
{
SimulationCase obj = new SimulationCase();
obj.DayNo = i + 1;
obj.RandomNewsDayType = int.Parse(rand_num.Next(1, 100).ToString());
obj.NewsDayType = gettypeofnewsdays(obj.RandomNewsDayType);
obj.RandomDemand = int.Parse(rand_num.Next(1, 100).ToString());
obj.Demand = getdemand(obj.RandomDemand, obj.NewsDayType);
if (obj.Demand == 0)
{
obj.Demand = 100;
}
obj.DailyCost = this.NumOfNewspapers * this.PurchasePrice;
obj.LostProfit = 0;
obj.ScrapProfit = 0;
if (obj.Demand > this.NumOfNewspapers)
{
obj.LostProfit = (obj.Demand - this.NumOfNewspapers) * this.UnitProfit;
obj.SalesProfit = this.NumOfNewspapers * SellingPrice;
}
else if (obj.Demand <= this.NumOfNewspapers)
{
obj.ScrapProfit = (this.NumOfNewspapers - obj.Demand) * this.ScrapPrice;
obj.SalesProfit = obj.Demand * SellingPrice;
}
obj.DailyNetProfit = obj.SalesProfit - obj.DailyCost - obj.LostProfit + obj.ScrapProfit;
this.SimulationCases.Add(obj);
} //endforloop
} //end
public void Calculate_SimulationTable(ref SimulationSystem s)
{
s.PerformanceMeasures.TotalSalesProfit = 0;
s.PerformanceMeasures.TotalLostProfit = 0;
s.PerformanceMeasures.TotalScrapProfit = 0;
s.PerformanceMeasures.TotalNetProfit = 0;
s.PerformanceMeasures.DaysWithUnsoldPapers = 0;
s.PerformanceMeasures.DaysWithMoreDemand = 0;
s.PerformanceMeasures.TotalCost = s.NumOfRecords * s.NumOfNewspapers * s.PurchasePrice;
s.UnitProfit = s.SellingPrice - s.PurchasePrice;
int index = 0;
for (int i = 0; i < s.NumOfRecords; i++)
{
SimulationCase SC = new SimulationCase();
SC.DayNo = i + 1;
SC.DailyCost = s.NumOfNewspapers * s.PurchasePrice;
SC.RandomNewsDayType = rnd.Next(1, 100);
for (int j = 0; j < s.DayTypeDistributions.Count; j++)
{
if (SC.RandomNewsDayType >= s.DayTypeDistributions[j].MinRange && SC.RandomNewsDayType <= s.DayTypeDistributions[j].MaxRange)
{
SC.NewsDayType = s.DayTypeDistributions[j].DayType;
}
}
SC.RandomDemand = rnd.Next(1, 100);
index = (int)SC.NewsDayType;
for (int j = 0; j < s.DemandDistributions.Count; j++)
{
if (SC.RandomDemand >= s.DemandDistributions[j].DayTypeDistributions[index].MinRange && SC.RandomDemand <= s.DemandDistributions[j].DayTypeDistributions[index].MaxRange)
{
SC.Demand = s.DemandDistributions[j].Demand;
}
}
if (SC.Demand > s.NumOfNewspapers)
{
SC.SalesProfit = s.SellingPrice * s.NumOfNewspapers;
SC.LostProfit = (SC.Demand - s.NumOfNewspapers) * s.UnitProfit;
SC.ScrapProfit = 0;
s.PerformanceMeasures.DaysWithMoreDemand += 1;
}
else
{
SC.SalesProfit = s.SellingPrice * SC.Demand;
SC.LostProfit = 0;
SC.ScrapProfit = (s.NumOfNewspapers - SC.Demand) * s.ScrapPrice;
}
if (SC.Demand < s.NumOfNewspapers)
{
s.PerformanceMeasures.DaysWithUnsoldPapers += 1;
}
SC.DailyNetProfit = SC.SalesProfit - SC.DailyCost - SC.LostProfit + SC.ScrapProfit;
s.PerformanceMeasures.TotalSalesProfit += SC.SalesProfit;
s.PerformanceMeasures.TotalLostProfit += SC.LostProfit;
s.PerformanceMeasures.TotalScrapProfit += SC.ScrapProfit;
s.PerformanceMeasures.TotalNetProfit += SC.DailyNetProfit;
s.SimulationTable.Add(SC);
}
}
public void BuildSimulationTable()
{
var rand = new Random();
for (int i = 0; i < NumOfRecords; i++)
{
var simulationCase = new SimulationCase
{
DayNo = i + 1,
RandomNewsDayType = rand.Next(1, 101),
RandomDemand = rand.Next(1, 101)
};
simulationCase.NewsDayType = GetDayType(simulationCase.RandomNewsDayType);
simulationCase.Demand = GetDemand(simulationCase.RandomDemand, simulationCase.NewsDayType);
simulationCase.DailyCost = NumOfNewspapers * PurchasePrice;
simulationCase.SalesProfit = Math.Min(NumOfNewspapers, simulationCase.Demand) * SellingPrice;
var diffrence = simulationCase.Demand - NumOfNewspapers;
simulationCase.LostProfit = ((diffrence > 0) ? diffrence * UnitProfit : 0);
simulationCase.ScrapProfit = ((diffrence < 0) ? Math.Abs(diffrence) * ScrapPrice : 0);
simulationCase.DailyNetProfit = simulationCase.SalesProfit - simulationCase.DailyCost - simulationCase.LostProfit + simulationCase.ScrapProfit;
SimulationTable.Add(simulationCase);
}
}
public void simulate(string fnam)
{
readfile(fnam);
Random day = new Random();
Random demand = new Random();
for (int i = 1; i <= NumOfRecords; i++)
{
SimulationCase sc = new SimulationCase();
sc.DayNo = i;
sc.RandomNewsDayType = day.Next(1, 100);
for (int h = 0; h < DayTypeDistributions.Count; h++)
{
if (DayTypeDistributions[h].MinRange <= sc.RandomNewsDayType && DayTypeDistributions[h].MaxRange >= sc.RandomNewsDayType)
{
sc.NewsDayType = DayTypeDistributions[h].DayType;
break;
}
}
sc.RandomDemand = demand.Next(1, 100);
sc.Demand = get_demand(sc.RandomDemand, sc.NewsDayType);
sc.DailyCost = NumOfNewspapers * PurchasePrice;
sc.SalesProfit = Math.Min(sc.Demand, NumOfNewspapers) * SellingPrice;
if (sc.Demand < NumOfNewspapers)
{
sc.ScrapProfit = (NumOfNewspapers - sc.Demand) * ScrapPrice;
sc.DailyNetProfit = sc.SalesProfit + sc.ScrapProfit - sc.DailyCost;
}
else if (sc.Demand > NumOfNewspapers)
{
sc.LostProfit = (sc.Demand - NumOfNewspapers) * UnitProfit;
sc.DailyNetProfit = sc.SalesProfit - sc.LostProfit - sc.DailyCost;
}
else
{
sc.DailyNetProfit = sc.SalesProfit - sc.DailyCost;
}
if (sc.ScrapProfit != 0)
{
PerformanceMeasures.DaysWithUnsoldPapers += 1;
}
if (sc.LostProfit != 0)
{
PerformanceMeasures.DaysWithMoreDemand += 1;
}
PerformanceMeasures.TotalLostProfit += sc.LostProfit;
PerformanceMeasures.TotalScrapProfit += sc.ScrapProfit;
PerformanceMeasures.TotalCost += sc.DailyCost;
PerformanceMeasures.TotalNetProfit += sc.DailyNetProfit;
PerformanceMeasures.TotalSalesProfit += sc.SalesProfit;
SimulationTable.Add(sc);
}
}
public void Simulate()
{
PerformanceMeasures.DaysWithMoreDemand = 0;
PerformanceMeasures.DaysWithUnsoldPapers = 0;
PerformanceMeasures.TotalCost = 0;
PerformanceMeasures.TotalLostProfit = 0;
PerformanceMeasures.TotalNetProfit = 0;
PerformanceMeasures.TotalSalesProfit = 0;
PerformanceMeasures.TotalScrapProfit = 0;
for (int i = 1; i <= NumOfRecords; i++)
{
SimulationCase sc = new SimulationCase();
sc.DayNo = i;
sc.RandomNewsDayType = rnd.Next(1, 101);
foreach (DayTypeDistribution DTD in DayTypeDistributions)
{
if (sc.RandomNewsDayType >= DTD.MinRange && sc.RandomNewsDayType <= DTD.MaxRange)
{
sc.NewsDayType = DTD.DayType;
}
}
sc.RandomDemand = rnd.Next(1, 101);
foreach (DemandDistribution DD in DemandDistributions)
{
if (sc.RandomDemand >= DD.DayTypeDistributions[(int)sc.NewsDayType].MinRange && sc.RandomDemand <= DD.DayTypeDistributions[(int)sc.NewsDayType].MaxRange)
{
sc.Demand = DD.Demand;
}
}
sc.SalesProfit = Math.Min(NumOfNewspapers, sc.Demand) * SellingPrice;
PerformanceMeasures.TotalSalesProfit += sc.SalesProfit;
sc.ScrapProfit = Math.Max(0, NumOfNewspapers - sc.Demand) * ScrapPrice;
PerformanceMeasures.TotalScrapProfit += sc.ScrapProfit;
PerformanceMeasures.DaysWithUnsoldPapers += (sc.ScrapProfit > 0)? 1: 0;
sc.LostProfit = Math.Max(0, sc.Demand - NumOfNewspapers) * UnitProfit;
PerformanceMeasures.TotalLostProfit += sc.LostProfit;
PerformanceMeasures.DaysWithMoreDemand += (sc.LostProfit > 0) ? 1 : 0;
sc.DailyCost = NumOfNewspapers * PurchasePrice;
PerformanceMeasures.TotalCost += sc.DailyCost;
sc.DailyNetProfit = sc.SalesProfit - sc.DailyCost - sc.LostProfit + sc.ScrapProfit;
PerformanceMeasures.TotalNetProfit += sc.DailyNetProfit;
SimulationTable.Add(sc);
}
}
public void fillSimulationTable()
{
for (int i = 1; i <= NumOfRecords; i++)
{
SimulationCase tempCase = new SimulationCase();
tempCase.DayNo = i;
tempCase.setNewsDayType(DayTypeDistributions);
tempCase.setDemand(DemandDistributions);
tempCase.fill(NumOfNewspapers, PurchasePrice, SellingPrice, ScrapPrice, UnitProfit);
SimulationTable.Add(tempCase);
}
}
public void startSimulation()
{
for (int i = 1; i <= system.NumOfRecords; i++)
{
//{ key, value}
KeyValuePair <Enums.DayType, int> randomDayType = generateRandomDayType();
//{dayetype, random }
KeyValuePair <int, int> randomDemond = generateRandomDemond((int)randomDayType.Key);
//{ customers, random}
SimulationCase simcase = new SimulationCase();
simcase.DayNo = i;
simcase.RandomNewsDayType = randomDayType.Value;
simcase.NewsDayType = randomDayType.Key;
simcase.RandomDemand = randomDemond.Value;
simcase.Demand = randomDemond.Key;
simcase.SalesProfit = (decimal)Math.Min(simcase.Demand, system.NumOfNewspapers) * system.SellingPrice;
simcase.LostProfit = (decimal)Math.Max(0, simcase.Demand - system.NumOfNewspapers) * (system.SellingPrice - system.PurchasePrice);
simcase.ScrapProfit = (decimal)Math.Max(0, system.NumOfNewspapers - simcase.Demand) * system.ScrapPrice;
simcase.DailyCost = (decimal)system.PurchasePrice * (decimal)system.NumOfNewspapers;
simcase.DailyNetProfit = simcase.SalesProfit - simcase.DailyCost - simcase.LostProfit + simcase.ScrapProfit;
system.SimulationTable.Add(simcase);
if (simcase.ScrapProfit > 0)
{
system.PerformanceMeasures.DaysWithUnsoldPapers++;
}
if (simcase.LostProfit > 0)
{
system.PerformanceMeasures.DaysWithMoreDemand++;
}
system.PerformanceMeasures.TotalLostProfit += simcase.LostProfit;
system.PerformanceMeasures.TotalScrapProfit += simcase.ScrapProfit;
system.PerformanceMeasures.TotalSalesProfit += simcase.SalesProfit;
system.PerformanceMeasures.TotalCost += (decimal)system.NumOfNewspapers * system.PurchasePrice;
system.PerformanceMeasures.TotalNetProfit += simcase.DailyNetProfit;
}
}
////////////////////////////////
void runSimulation()
{
Random random = new Random();
for (int i = 0; i < NumOfRecords; i++)
{
SimulationCase simCase = new SimulationCase();
simCase.DayNo = i + 1;
simCase.RandomNewsDayType = random.Next(1, 100);
simCase.NewsDayType = getDayType(simCase.RandomNewsDayType);
simCase.RandomDemand = random.Next(1, 100);
simCase.Demand = getDemand(simCase.NewsDayType, simCase.RandomDemand);
simCase.DailyCost = CalcDaiyCost();
simCase.SalesProfit = calcDailyProfit(simCase.Demand);
simCase.LostProfit = calcLostProfit(simCase.Demand);
simCase.ScrapProfit = calcSalvageFromSaleOfScrap(simCase.Demand);
simCase.DailyNetProfit = calcDailyNetProfit(simCase.SalesProfit, simCase.DailyCost, simCase.LostProfit, simCase.ScrapProfit);
SimulationTable.Add(simCase);
}
}
public void Start_Process()
{
int c = 0;
Random rand = new Random();
SimulationCase row;
while (c < NumOfRecords)
{
row = new SimulationCase();
row.DayNo = c + 1;
row.RandomNewsDayType = rand.Next(1, 101);
row.NewsDayType = Get_Day_Type(DayTypeDistributions, row.RandomNewsDayType);
row.RandomDemand = rand.Next(1, 101);
row.Demand = Get_Demand(DemandDistributions, row.RandomDemand, row.NewsDayType.ToString());
row.DailyCost = Cost;
row.SalesProfit = row.Demand * SellingPrice;
if (row.Demand > NumOfNewspapers)
{
row.SalesProfit = NumOfNewspapers * SellingPrice;
row.LostProfit = (row.Demand - NumOfNewspapers) * (SellingPrice - PurchasePrice);
PerformanceMeasures.DaysWithMoreDemand++;
}
if (row.Demand < NumOfNewspapers)
{
row.ScrapProfit = (NumOfNewspapers - row.Demand) * ScrapPrice;
PerformanceMeasures.DaysWithUnsoldPapers++;
}
row.DailyNetProfit = row.SalesProfit - row.DailyCost - row.LostProfit + row.ScrapProfit;
// rest of performance calculations
PerformanceMeasures.TotalCost += row.DailyCost;
PerformanceMeasures.TotalSalesProfit += row.SalesProfit;
PerformanceMeasures.TotalScrapProfit += row.ScrapProfit;
PerformanceMeasures.TotalLostProfit += row.LostProfit;
PerformanceMeasures.TotalNetProfit += row.DailyNetProfit;
SimulationTable.Add(row);
c++;
}
}
public void BeginSimulation()
{
Random R = new Random();
for (int i = 0; i < NumOfRecords; i++)
{
SimulationCase SC = new SimulationCase();
SC.DayNo = i + 1;
SC.RandomNewsDayType = R.Next(1, 100);
SC.NewsDayType = GetDayType(SC.RandomNewsDayType);
SC.RandomDemand = R.Next(1, 100);
SC.Demand = GetDemand(SC.RandomDemand, SC.NewsDayType);
SC.DailyCost = NumOfNewspapers * PurchasePrice;
SC.SalesProfit = NumOfNewspapers * SellingPrice;
decimal ProfitPerPiece = SellingPrice - PurchasePrice;
if (SC.Demand > NumOfNewspapers)
{
SC.LostProfit = (SC.Demand - NumOfNewspapers) * ProfitPerPiece;
SC.ScrapProfit = 0;
}
else if (SC.Demand < NumOfNewspapers)
{
SC.ScrapProfit = (NumOfNewspapers - SC.Demand) * ScrapPrice;
SC.SalesProfit -= (NumOfNewspapers - SC.Demand) * SellingPrice;
SC.DailyNetProfit += SC.ScrapProfit;
SC.LostProfit = 0;
}
else
{
SC.ScrapProfit = 0;
SC.LostProfit = 0;
}
SC.DailyNetProfit = SC.SalesProfit - SC.DailyCost - SC.LostProfit + SC.ScrapProfit;
SimulationTable.Add(SC);
}
Resas();
}
///////////// SimulationTable ////////////////
public void fillTable()
{
Random rand = new Random();
for (int i = 1; i <= NumOfRecords; i++)
{
SimulationCase sc = new SimulationCase();
sc.DayNo = i;
sc.RandomNewsDayType = rand.Next(1, 101);
sc.RandomDemand = rand.Next(1, 101);
if (sc.RandomNewsDayType >= DayTypeDistributions.ElementAt(0).MinRange&& sc.RandomNewsDayType <= DayTypeDistributions.ElementAt(0).MaxRange)
{
sc.NewsDayType = Enums.DayType.Good;
}
else if (sc.RandomNewsDayType >= DayTypeDistributions.ElementAt(1).MinRange&& sc.RandomNewsDayType <= DayTypeDistributions.ElementAt(1).MaxRange)
{
sc.NewsDayType = Enums.DayType.Fair;
}
else
{
sc.NewsDayType = Enums.DayType.Poor;
}
if (sc.NewsDayType == Enums.DayType.Good)
{
for (int j = 0; j < DemandDistributions.Count; j++)
{
if (sc.RandomDemand >= DemandDistributions.ElementAt(j).DayTypeDistributions.ElementAt(0).MinRange&& sc.RandomDemand <= DemandDistributions.ElementAt(j).DayTypeDistributions.ElementAt(0).MaxRange)
{
sc.Demand = DemandDistributions.ElementAt(j).Demand;
}
}
}
else if (sc.NewsDayType == Enums.DayType.Fair)
{
for (int j = 0; j < DemandDistributions.Count; j++)
{
if (sc.RandomDemand >= DemandDistributions.ElementAt(j).DayTypeDistributions.ElementAt(1).MinRange&& sc.RandomDemand <= DemandDistributions.ElementAt(j).DayTypeDistributions.ElementAt(1).MaxRange)
{
sc.Demand = DemandDistributions.ElementAt(j).Demand;
}
}
}
else
{
for (int j = 0; j < DemandDistributions.Count; j++)
{
if (sc.RandomDemand >= DemandDistributions.ElementAt(j).DayTypeDistributions.ElementAt(2).MinRange&& sc.RandomDemand <= DemandDistributions.ElementAt(j).DayTypeDistributions.ElementAt(2).MaxRange)
{
sc.Demand = DemandDistributions.ElementAt(j).Demand;
}
}
}
sc.DailyCost = NumOfNewspapers * PurchasePrice;
if (sc.Demand >= NumOfNewspapers)
{
sc.SalesProfit = NumOfNewspapers * SellingPrice;
sc.LostProfit = (sc.Demand - NumOfNewspapers) * (SellingPrice - PurchasePrice);
sc.ScrapProfit = 0;
}
else if (NumOfNewspapers > sc.Demand)
{
sc.SalesProfit = sc.Demand * SellingPrice;
sc.ScrapProfit = (NumOfNewspapers - sc.Demand) * ScrapPrice;
sc.LostProfit = 0;
}
sc.DailyNetProfit = sc.SalesProfit - sc.DailyCost - sc.LostProfit + sc.ScrapProfit;
SimulationTable.Add(sc);
}
}