static void Main(string[] args)
{
squareMatrix matrix1 = new squareMatrix(3, true);
squareMatrix matrix2 = new squareMatrix(3, true);
//Console.WriteLine(matrix1 + matrix2);
matrix1.print();
matrix2 = squareMatrix.transposing(matrix1);
matrixOperations diagonalization = delegate(squareMatrix matrix) {
squareMatrix resultMatrix = matrix;
for (int i = 0; i < resultMatrix.arr.GetLength(0); i++)
{
for (int j = 0; j < resultMatrix.arr.GetLength(0); j++)
{
if (j == i)
{
continue;
}
resultMatrix.arr[i, j] = 0;
}
}
return(resultMatrix);
};
matrix2 = diagonalization(matrix1);
matrix2.print();
}
public static squareMatrix operator -(squareMatrix MatrixL, squareMatrix MatrixR)
{
squareMatrix MatrixResult = new squareMatrix((byte)MatrixL.arr.GetLength(0), true);
for (byte i = 0; i < MatrixL.arr.GetLength(0); i++)
{
for (byte j = 0; j < MatrixL.arr.GetLength(0); j++)
{
MatrixResult.arr[i, j] = MatrixL.arr[i, j] - MatrixR.arr[i, j];
}
}
return(MatrixResult);
}
//matrixOperations diagonalization = delegate (squareMatrix matrix) {
// squareMatrix resultMatrix = matrix;
// for (int i = 0; i < resultMatrix.arr.GetLength(0); i++)
// {
// for (int j = 0; j < resultMatrix.arr.GetLength(0); j++)
// {
// if (j == i) continue;
// resultMatrix.arr[i, j] = 0;
// }
// }
// return resultMatrix;
//};
public static int CompareTo(squareMatrix MatrixL, squareMatrix MatrixR)
{
if (MatrixL > MatrixR)
{
return(1);
}
else if (MatrixL < MatrixR)
{
return(-1);
}
else
{
return(0);
}
}
public static squareMatrix transposing(squareMatrix matrix)
{
squareMatrix resultMatrix = matrix;
double tmp = 0;
for (int i = 0; i < matrix.arr.GetLength(0); ++i)
{
for (int j = 0; j < i; j++)
{
tmp = resultMatrix.arr[i, j];
resultMatrix.arr[i, j] = resultMatrix.arr[j, i];
resultMatrix.arr[j, i] = tmp;
}
}
return(resultMatrix);
}
public squareMatrix inverseMatrix()
{
squareMatrix tempMatrix = new squareMatrix(2, true);
double det = determinant();
for (int i = 0; i < arr.GetLength(0); ++i)
{
for (int j = 0; j < arr.GetLength(0); ++j)
{
tempMatrix.arr[i, j] = ((i == 0 && j == 1) || (i == 1 && j == 0)) ? -1 * getElement(i, j) : getElement(i, j);
Console.WriteLine(tempMatrix.arr[i, j]);
tempMatrix.arr[i, j] *= (1 / det);
}
}
return(tempMatrix);
}
public static squareMatrix operator *(squareMatrix MatrixL, squareMatrix MatrixR)
{
squareMatrix MatrixResult = new squareMatrix((byte)MatrixL.arr.GetLength(0), false);
for (byte i = 0; i < MatrixL.arr.GetLength(0); ++i)
{
// цикл по каждому столбцу второй матрицы
for (byte j = 0; j < MatrixL.arr.GetLength(0); ++j)
{
for (byte k = 0; k < MatrixL.arr.GetLength(0); ++k)
{
MatrixResult.arr[i, j] += MatrixL.arr[i, k] * MatrixR.arr[k, j];
}
}
}
return(MatrixResult);
}
