public static MyMatrix generateAproxMatrix(int polynomialRank, ResultsFunction data)
{
int rows = data.x.Count;
int columns = 7 + 3 * (polynomialRank - 1);
MyMatrix matrix = new MyMatrix(rows, columns);
for (int row = 0; row < rows; row++)
{
matrix[row, 0] = data.x[row];
matrix[row, 1] = data.y[row];
}
for (int row = 0; row < rows; row++)
{
for (int col = 2; col <= 2 + 2 * polynomialRank; col++)
{
matrix[row, col] = Math.Pow(data.x[row], col - 2);
}
}
for (int row = 0; row < rows; row++)
{
for (int col = 3 + 2 * polynomialRank; col < columns; col++)
{
matrix[row, col] = data.y[row] * Math.Pow(data.x[row], col - (3 + 2 * polynomialRank));
}
}
return(matrix);
}
private static void launchZad4()
{
string fileName = "results2.txt";
int polynomialRank = 3;
ResultsFunction results = FileHelper.readResultsFromFile(fileName);
MyMatrix matrix = MyMatrix.generateAproxMatrix(polynomialRank, results);
//Console.Write(matrix.ToString());
MyMatrix vector = MyMatrix.getVectorFromAproxMatrix(matrix);
//Console.Write(vector.ToString());
MyMatrix matrixForGauss = MyMatrix.createMatrixFromVector(polynomialRank, vector);
//Console.Write(matrixForGauss);
MyMatrix resultVector = MyMatrix.gauss(matrixForGauss, 1, false);
Console.Write(resultVector);
}
public static ResultsFunction readResultsFromFile(string fileName)
{
if (!File.Exists(fileName))
{
throw new FileNotFoundException("Could not open file " + fileName + " !");
}
string[] data = File.ReadAllLines(fileName);
ResultsFunction results = new ResultsFunction();
for (int i = 0; i < data.Length; i++)
{
string[] scanner = data[i].Split(' ');
results.x.Add(Int32.Parse(scanner[0]));
results.y.Add(Int32.Parse(scanner[1]));
}
return(results);
}
