public RowVector MultiplyLeftWithRowVector(RowVector row)
{
if (row.Count != this.RowsCount)
{
throw new NotSupportedException("Can not multiply RowVector * Matrix because Rowvector's count is not equal with Matrix's ColumnCount.");
}
RowVector newRow = new RowVector();
foreach (ColumnVector column in this.GetColumnVectors())
{
newRow.Append(row * column);
}
return(newRow);
}
public Matrix GetInverseMatrix()
{
List <RowVector> newRows = new List <RowVector>();
for (int i = 0; i < this.RowsCount; i++)
{
RowVector row = new RowVector();
for (int j = 0; j < this.ColumnsCount; j++)
{
row.Append(this.GetAlgeraicComplement(i, j));
}
newRows.Add(row);
}
Matrix newMatrix = new Matrix(newRows);
double module = this.GetModule();
decimal temp = (decimal)1.0 / (decimal)module;
newMatrix = newMatrix * temp;
return(newMatrix.GetTransposeMatrix());
}
public RowVector MultiplyRightWithMatrix(Matrix matrix)
{
if (this.Count == 0)
{
throw new NotSupportedException("The count of row vector is zero when row vector is multiplied with matrix.");
}
if (matrix.RowsCount == 0)
{
throw new NotSupportedException("The row count of matrix is zero when row vector is multiplied with matrix.");
}
if (this.Count != matrix.RowsCount)
{
throw new NotSupportedException("The count of row vector is not equal to matrix's row count when row vector is multiplied with matrix.");
}
RowVector result = new RowVector();
foreach (ColumnVector column in matrix.GetColumnVectors())
{
result.Append(this * column);
}
return(result);
}