public void CheckSetDefaultVector()
{
double[] vector = IterationMethodsOperations.SetDefaultVector(4);
double[] expect = { 0, 0, 0, 0 };
Assert.Equal(expect, vector);
}
public static void CountXVector(double[] xVector, int numberOfIterations, double[,] matrix, double[] bVector)
{
int numberOfRows = matrix.GetLength(0);
for (int i = 0; i < numberOfIterations; i++)
{
for (int j = 0; j < numberOfRows; j++)
{
xVector[j] = IterationMethodsOperations.ValueFromIterationForRow(xVector, matrix, j, bVector);
}
}
}
public void CheckCountResultOfActionsForGivenRowOfXVector()
{
double[,] matrix1 = { { 1, 2 }, { 2, 1 } };
double[,] matrix2 = { { 4, -1, -0.2, 2 }, { -1, 5, 0, -2 }, { 0.2, 1, 10, -1 }, { 0, -2, -1, 4 } };
double[] xVector1 = IterationMethodsOperations.SetDefaultVector(2);
double[] xVector2 = IterationMethodsOperations.SetDefaultVector(4);
double result1 = IterationMethodsOperations.CountResultOfActionsForGivenRowOfXVector(2, 0, xVector1, matrix1);
double result2 = IterationMethodsOperations.CountResultOfActionsForGivenRowOfXVector(4, 0, xVector2, matrix2);
double expect1 = 0;
double expect2 = 0;
Assert.Equal(expect1, result1);
Assert.Equal(expect2, result2);
}
public void CheckCountXVectorForJacobi()
{
double[,] matrix1 = { { 1, 2 }, { 2, 1 } };
double[,] matrix2 = { { 4, -1, -0.2, 2 }, { -1, 5, 0, -2 }, { 0.2, 1, 10, -1 }, { 0, -2, -1, 4 } };
double[] xVector1 = IterationMethodsOperations.SetDefaultVector(2);
double[] xVector2 = IterationMethodsOperations.SetDefaultVector(4);
double[] bVector1 = { 1, 1 };
double[] bVector2 = { 30, 0, -10, 5 };
JacobiOperations.CountXVector(xVector1, matrix1, bVector1);
JacobiOperations.CountXVector(xVector2, matrix2, bVector2);
double[] expect1 = { 1, 1 };
double[] expect2 = { 6.825, 2, -1.025, 1 };
//Assert.Equal(expect1, xVector1);
Assert.Equal(expect2, xVector2);
}
public static void CountXVector(double[] xVector, int numberOfIterations, double[,] matrix, double[] bVector)
{
int numberOfRows = matrix.GetLength(0);
while (true)
{
double[] lastIterationXVector = (double[])xVector.Clone();
for (int j = 0; j < numberOfRows; j++)
{
xVector[j] = IterationMethodsOperations.ValueFromIterationForRow(xVector, matrix, j, bVector);
}
if (IterationMethodsOperations.CheckIsVectorSameAfterNextIteration(lastIterationXVector, xVector))
{
break;
}
}
}
public void CheckValueFromIterationForRow()
{
double[,] matrix1 = { { 4, -1, -0.2, 2 }, { -1, 5, 0, -2 }, { 0.2, 1, 10, -1 }, { 0, -2, -1, 4 } };
double[] bVector1 = { 30, 0, -10, 5 };
double[] xVector1 = IterationMethodsOperations.SetDefaultVector(4);
double result1 = IterationMethodsOperations.ValueFromIterationForRow(xVector1, matrix1, 0, bVector1);
double result2 = IterationMethodsOperations.ValueFromIterationForRow(xVector1, matrix1, 1, bVector1);
double result3 = IterationMethodsOperations.ValueFromIterationForRow(xVector1, matrix1, 2, bVector1);
double result4 = IterationMethodsOperations.ValueFromIterationForRow(xVector1, matrix1, 3, bVector1);
double expect1 = 7.5;
double expect2 = 0;
double expect3 = -1;
double expect4 = 1.25;
Assert.Equal(expect1, result1);
Assert.Equal(expect2, result2);
Assert.Equal(expect3, result3);
Assert.Equal(expect4, result4);
}
public static void CountXVector(double[] xVector, int numberOfIterations, double[,] matrix, double[] bVector)
{
var stopwatch = new Stopwatch();
stopwatch.Reset();
stopwatch.Start();
int numberOfRows = matrix.GetLength(0);
double[] lastIterationXVector = new double[numberOfRows];
int l = 1;
while (true)
{
stopwatch.Reset();
stopwatch.Start();
for (int i = 0; i < numberOfRows; i++)
{
countXFirstFor++;
lastIterationXVector[i] = xVector[i];
}
countXFirstForTime = stopwatch.Elapsed.TotalMilliseconds;
//Console.WriteLine("While: {0}, firstfor:{1}", l, firstfor);
stopwatch.Reset();
stopwatch.Start();
for (int j = 0; j < numberOfRows; j++)
{
countXSecondFor++;
xVector[j] = IterationMethodsOperations.ValueFromIterationForRow(xVector, matrix, j, bVector);
}
countXSecondForTime = stopwatch.Elapsed.TotalMilliseconds;
//Console.WriteLine("While: {0}, secondfor:{1}", l, secondfor);
if (IterationMethodsOperations.CheckIsVectorSameAfterNextIteration(lastIterationXVector, xVector))
{
break;
}
countXwhile++;
}
countXTime = stopwatch.Elapsed.TotalMilliseconds;
Console.WriteLine("CountXVector Time: " + String.Format("{0:N16}", countXTime));
Console.WriteLine("CountXVector While Count: " + countXwhile);
Console.WriteLine("CountXVector first for time: " + String.Format("{0:N16}", countXFirstForTime));
Console.WriteLine("CountXVector first for count: " + countXFirstFor);
Console.WriteLine("CountXVector second for time: " + String.Format("{0:N16}", countXSecondForTime));
Console.WriteLine("CountXVector second for count: " + countXSecondFor);
Console.WriteLine("ValueFrom Time: " + String.Format("{0:N16}", IterationMethodsOperations.valueFromTime));
Console.WriteLine("ValueFrom1 Time: " + String.Format("{0:N16}", IterationMethodsOperations.valueFrom1Time));
Console.WriteLine("ValueFrom count: " + IterationMethodsOperations.valueFrom);
Console.WriteLine("CountResult Time: " + String.Format("{0:N16}", IterationMethodsOperations.countResultTime));
Console.WriteLine("CountResult count: " + IterationMethodsOperations.countResult);
Console.WriteLine("CountResult For count: " + IterationMethodsOperations.countResultFor);
Console.WriteLine("CountResult If count: " + IterationMethodsOperations.countResultIf);
Console.WriteLine("CheckIsVectorSame Time: " + String.Format("{0:N16}", IterationMethodsOperations.checkIsVectorSameTime));
Console.WriteLine("CheckIsVectorSame Count: " + IterationMethodsOperations.checkIsVectorSame);
Console.WriteLine("CheckIsVectorSame For Count: " + IterationMethodsOperations.checkIsVectorSameFor);
Console.WriteLine("CheckIsDoubleZero count: " + IterationMethodsOperations.checkZero);
}
public double[] Seidel(double[] bVector, int numberOfIterations)
{
double[] xVector = IterationMethodsOperations.SetDefaultVector(numberOfColumns);
SeidelOperations.CountXVector(xVector, numberOfIterations, matrix, bVector);
return(xVector);
}
public double[] Jacobi(double[] bVector, int numberOfIterations)
{
double[] xVector = IterationMethodsOperations.SetDefaultVector(numberOfColumns);
JacobiOperations.CountXVector(xVector, matrix, bVector);
return(xVector);
}
