/// <inheritdoc/>
public new void multiplyEntry(int row, int column, double factor)
{
// we don't care about non-diagonal elements for multiplication
if (row == column)
{
MatrixUtils.checkRowIndex(this, row);
data[row] *= factor;
}
}
/// <inheritdoc/>
/// <exception cref="NumberIsTooLargeException"> if <c>row != column</c> and increment is
/// non-zero.</exception>
public new void addToEntry(int row, int column, double increment)
{
if (row == column)
{
MatrixUtils.checkRowIndex(this, row);
data[row] += increment;
}
else
{
ensureZero(increment);
}
}
/// <inheritdoc/>
/// <exception cref="NumberIsTooLargeException"> if <c>row != column</c> and value is
/// non-zero.</exception>
public override void setEntry(int row, int column, double value)
{
if (row == column)
{
MatrixUtils.checkRowIndex(this, row);
data[row] = value;
}
else
{
ensureZero(value);
}
}
/// <inheritdoc/>
public override void setEntry(int row, int column, double value)
{
MatrixUtils.checkRowIndex(this, row);
MatrixUtils.checkColumnIndex(this, column);
if (value == 0.0)
{
entries.remove(computeKey(row, column));
}
else
{
entries.put(computeKey(row, column), value);
}
}
/// <inheritdoc/>
public double[] getRow(int row)
{
MatrixUtils.checkRowIndex(this, row);
int nCols = getColumnDimension();
double[] outp = new double[nCols];
for (int i = 0; i < nCols; ++i)
{
outp[i] = getEntry(row, i);
}
return(outp);
}
/// <inheritdoc/>
public RealMatrix getRowMatrix(int row)
{
MatrixUtils.checkRowIndex(this, row);
int nCols = getColumnDimension();
RealMatrix outp = createMatrix(1, nCols);
for (int i = 0; i < nCols; ++i)
{
outp.setEntry(0, i, getEntry(row, i));
}
return(outp);
}
/// <inheritdoc/>
public void setRow(int row, double[] array)
{
MatrixUtils.checkRowIndex(this, row);
int nCols = getColumnDimension();
if (array.Length != nCols)
{
throw new MatrixDimensionMismatchException(1, array.Length, 1, nCols);
}
for (int i = 0; i < nCols; ++i)
{
setEntry(row, i, array[i]);
}
}
/// <inheritdoc/>
public void setRowVector(int row, RealVector vector)
{
MatrixUtils.checkRowIndex(this, row);
int nCols = getColumnDimension();
if (vector.getDimension() != nCols)
{
throw new MatrixDimensionMismatchException(1, vector.getDimension(),
1, nCols);
}
for (int i = 0; i < nCols; ++i)
{
setEntry(row, i, vector.getEntry(i));
}
}
/// <inheritdoc/>
public new void multiplyEntry(int row, int column, double factor)
{
MatrixUtils.checkRowIndex(this, row);
MatrixUtils.checkColumnIndex(this, column);
int key = computeKey(row, column);
double value = entries.get(key) * factor;
if (value == 0.0)
{
entries.remove(key);
}
else
{
entries.put(key, value);
}
}
/// <inheritdoc/>
public new void addToEntry(int row, int column, double increment)
{
MatrixUtils.checkRowIndex(this, row);
MatrixUtils.checkColumnIndex(this, column);
int key = computeKey(row, column);
double value = entries.get(key) + increment;
if (value == 0.0)
{
entries.remove(key);
}
else
{
entries.put(key, value);
}
}
/// <inheritdoc/>
public void setRowMatrix(int row, RealMatrix matrix)
{
MatrixUtils.checkRowIndex(this, row);
int nCols = getColumnDimension();
if ((matrix.getRowDimension() != 1) ||
(matrix.getColumnDimension() != nCols))
{
throw new MatrixDimensionMismatchException(matrix.getRowDimension(),
matrix.getColumnDimension(),
1, nCols);
}
for (int i = 0; i < nCols; ++i)
{
setEntry(row, i, matrix.getEntry(0, i));
}
}
/// <inheritdoc/>
public void setSubMatrix(double[][] subMatrix, int row, int column)
{
MathUtils.checkNotNull(subMatrix);
int nRows = subMatrix.Length;
if (nRows == 0)
{
throw new NoDataException(new LocalizedFormats("AT_LEAST_ONE_ROW"));
}
int nCols = subMatrix[0].Length;
if (nCols == 0)
{
throw new NoDataException(new LocalizedFormats("AT_LEAST_ONE_COLUMN"));
}
for (int r = 1; r < nRows; ++r)
{
if (subMatrix[r].Length != nCols)
{
throw new DimensionMismatchException(nCols, subMatrix[r].Length);
}
}
MatrixUtils.checkRowIndex(this, row);
MatrixUtils.checkColumnIndex(this, column);
MatrixUtils.checkRowIndex(this, nRows + row - 1);
MatrixUtils.checkColumnIndex(this, nCols + column - 1);
for (int i = 0; i < nRows; ++i)
{
for (int j = 0; j < nCols; ++j)
{
setEntry(row + i, column + j, subMatrix[i][j]);
}
}
}
/// <inheritdoc/>
public override double getEntry(int row, int column)
{
MatrixUtils.checkRowIndex(this, row);
MatrixUtils.checkColumnIndex(this, column);
return(entries.get(computeKey(row, column)));
}