public IActionResult Index()
{
int[] a = new int[16] {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
SimulatedAnealingVM VM = new SimulatedAnealingVM()
{
array = a,
dimension = 4,
heuristic = 0,
dimensions = new List <SelectListItem>()
{
new SelectListItem {
Text = "4x4", Value = "4"
},
new SelectListItem {
Text = "5x5", Value = "5"
},
new SelectListItem {
Text = "6x6", Value = "6"
},
new SelectListItem {
Text = "7x7", Value = "7"
},
new SelectListItem {
Text = "8x8", Value = "8"
},
new SelectListItem {
Text = "9x9", Value = "9"
},
new SelectListItem {
Text = "10x10", Value = "10"
},
new SelectListItem {
Text = "11x11", Value = "11"
},
new SelectListItem {
Text = "12x12", Value = "12"
},
},
};
return(View(VM));
}
public IActionResult GenerateRandomState(int dim, int T0, int coolingFactor)
{
int[][] array = _IFunctions.GenerateArray(dim);
SimulatedAnealingVM VM = new SimulatedAnealingVM()
{
array = _IFunctions.array2Dto1D(array, dim),
dimension = dim,
heuristic = _IFunctions.Heuristic(array, dim),
T0 = T0,
coolingFactor = coolingFactor,
dimensions = new List <SelectListItem>()
{
new SelectListItem {
Text = "4x4", Value = "4"
},
new SelectListItem {
Text = "5x5", Value = "5"
},
new SelectListItem {
Text = "6x6", Value = "6"
},
new SelectListItem {
Text = "7x7", Value = "7"
},
new SelectListItem {
Text = "8x8", Value = "8"
},
new SelectListItem {
Text = "9x9", Value = "9"
},
new SelectListItem {
Text = "10x10", Value = "10"
},
new SelectListItem {
Text = "11x11", Value = "11"
},
new SelectListItem {
Text = "12x12", Value = "12"
},
}
};
return(View("Index", VM));
}
public IActionResult SimulatedAnealingA(string stringArray, int dim, int T0, int coolingFactor)
{
int[] array = _IFunctions.StringToInt(stringArray, dim);
int[][] Array = _IFunctions.array1Dto2D(array, dim);
int[][] array2;
int deltaH;
int Hs = 1;
int counter = 0;
while (T0 > 0 && Hs != 0) //do until the temperature reaches 0, or we found state with h0
{
array2 = _IFunctions.rndSuccessor(Array, dim); //make single random move
Hs = _IFunctions.Heuristic(array2, dim);
deltaH = Hs - _IFunctions.Heuristic(Array, dim);
if (deltaH < 0) //if the random state is better than previous state we use it as current state
{
Array = _IFunctions.CopyRow(array2, dim);
}
else if (Math.Pow(2.71828, -(deltaH / T0)) > new Random().NextDouble()) //if the state is worse than previous state, we calculate propability
{ //for selecting it anyway
Array = _IFunctions.CopyRow(array2, dim);
}
T0 -= coolingFactor; //decreasing temperature
counter++;
}
SimulatedAnealingVM VM = new SimulatedAnealingVM()
{
array = _IFunctions.array2Dto1D(Array, dim),
dimension = dim,
heuristic = _IFunctions.Heuristic(Array, dim),
dimensions = new List <SelectListItem>()
{
new SelectListItem {
Text = "4x4", Value = "4"
},
new SelectListItem {
Text = "5x5", Value = "5"
},
new SelectListItem {
Text = "6x6", Value = "6"
},
new SelectListItem {
Text = "7x7", Value = "7"
},
new SelectListItem {
Text = "8x8", Value = "8"
},
new SelectListItem {
Text = "9x9", Value = "9"
},
new SelectListItem {
Text = "10x10", Value = "10"
},
new SelectListItem {
Text = "11x11", Value = "11"
},
new SelectListItem {
Text = "12x12", Value = "12"
},
},
counter = counter,
T0 = T0,
coolingFactor = coolingFactor
};
return(PartialView("SimulatedAnealingDone", VM));
}
