private void CreateNewPairIndividuals(int indexTo, Individual firstIndividual, Individual secondIndividual)
 {
     for (int i = 0; i < indexTo; i++)
     {
         int   secondIndividualPermutationElementAtCurrentIndexI = secondIndividual.Permutation.ElementAt(i);
         int[] hybridizationTmpArray = new int[indexTo];
         Array.Copy(firstIndividual.Permutation, hybridizationTmpArray, indexTo);
         if (WasHere(hybridizationTmpArray, secondIndividualPermutationElementAtCurrentIndexI))
         {
             Permutator.Swap(firstIndividual.Permutation, i, FindThisNumberInArray(firstIndividual.Permutation, secondIndividualPermutationElementAtCurrentIndexI));
             Permutator.SwapBeetweenArrays(firstIndividual.Permutation, secondIndividual.Permutation, i);
         }
     }
 }
        private void CreateNewRandomPopulation()
        {
            #region Create new defualt array {0,1,2,3,4,5, ... , dimension-1}
            int[] defaultArray = new int[Dimension];
            for (int i = 0; i < Dimension; i++)
            {
                defaultArray[i] = i;
            }
            #endregion

            for (int i = 0; i < POPULATION_SIZE; i++)
            {
                individuals.ElementAt(i).Permutation = Permutator.GetRandomPermutation(defaultArray);
            }
        }
 private void DoMutation()
 {
     for (int i = 0; i < POPULATION_SIZE; i++)
     {
         Individual tmp = individuals.ElementAt(i);
         for (int j = 0; j < Dimension; j++)
         {
             int randomNumber = random.Next(MAX_PROBABILITY);
             if (MUTATION_PROBABILITY > randomNumber)
             {
                 int randomIndex = random.Next(Dimension);
                 while (j == randomIndex)
                 {
                     randomIndex = random.Next(Dimension);
                 }
                 //MUTATE
                 Permutator.Swap(tmp.Permutation, j, randomIndex);
                 tmp.Cost = CostCounter.CountCost(tmp.Permutation);
             }
         }
     }
 }
Exemplo n.º 4
0
        public void RandomPermutationAlgorythm()
        {
            int arraySize = dataFileReader.myObject.Dimension;

            int[] bestIndexesArray = new int[arraySize];
            for (int i = 0; i < arraySize; i++)
            {
                bestIndexesArray[i] = i;
            }

            ExcelWorker excel = new ExcelWorker("Random alg");

            int generationCounter = 1;

            while (generationCounter < MAX_COUNTER_VALUE)
            {
                int[] tmp      = Permutator.GetRandomPermutation(bestIndexesArray);
                int   tmpCost  = CountCost(tmp);
                int   mainCost = CountCost(bestIndexesArray);
                if (tmpCost < mainCost)
                {
                    Array.Copy(tmp, bestIndexesArray, arraySize);
                }

                excel.AddCellToWorksheetIntoColumnsAB(generationCounter++, CountCost(bestIndexesArray));
            }

            #region Show result
            string bestResult = "";

            foreach (var item in bestIndexesArray)
            {
                bestResult += item.ToString() + "; ";
            }

            textBoxTotalCost.Text = bestResult;
            #endregion
        }