//-------------------------------------------------------------------------------------
//Скалярное произведение
public static double operator *(RealVector operandOne, RealVector operandTwo)
{
double scalarProduct = ArrayOperator.ScalarProduct
(operandOne.dataArray, operandTwo.dataArray);
return(scalarProduct);
}
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
//Умножение матриц
public static IntegerMatrix operator *(IntegerMatrix matrixOne, IntegerMatrix matrixTwo)
{
int rowCountMatrixOne = matrixOne.rowCount;
int rowCountMatrixTwo = matrixTwo.rowCount;
int columnCountMatrixOne = matrixOne.columnCount;
int columnCountMatrixTwo = matrixTwo.columnCount;
if (columnCountMatrixOne != rowCountMatrixTwo)
{
throw new MatrixException();
}
IntegerMatrix resultMatrix =
new IntegerMatrix(rowCountMatrixOne, columnCountMatrixTwo);
for (int row = 0; row < rowCountMatrixOne; row++)
{
int[] dataRow = matrixOne.GetRow(row);
for (int column = 0; column < columnCountMatrixTwo; column++)
{
int[] dataColumn = matrixTwo.GetColumn(column);
int result = ArrayOperator.ScalarProduct(dataRow, dataColumn);
resultMatrix[row, column] = result;
}
}
return(resultMatrix);
}
//-------------------------------------------------------------------------------------
//Скалярное произведение
public static int operator *(IntegerVector operandOne, IntegerVector operandTwo)
{
int scalarProduct = ArrayOperator.ScalarProduct
(operandOne.dataArray, operandTwo.dataArray);
return(scalarProduct);
}
//------------------------------------------------------------------------------------------
//Умножение на вектор
public static IntegerVector operator *(IntegerMatrix matrix, IntegerVector vector)
{
int columnCountMatrix = matrix.columnCount;
int sizeVector = vector.Size;
if (columnCountMatrix != sizeVector)
{
throw new MatrixException();
}
IntegerVector newVector = new IntegerVector(sizeVector);
int rowCountMatrix = matrix.rowCount;
int[] dataVector = vector.GetDataArray();
for (int row = 0; row < rowCountMatrix; row++)
{
int[] dataRow = matrix.GetRow(row);
int value = ArrayOperator.ScalarProduct(dataRow, dataVector);
newVector[row] = value;
}
return(newVector);
}
