/** {@inheritDoc} */
public DoubleVector getRowVector(int row) {
int cols = columns();
DenseVector rowVec = new DenseVector(cols);
for (int c = 0; c < cols; ++c) rowVec.set(c, get(row, c));
return rowVec;
}
/** {@inheritDoc} */
public DoubleVector getColumnVector(int column) {
int rows = rows();
DenseVector col = new DenseVector(rows);
for (int r = 0; r < rows; ++r) col.set(r, get(r, column));
return col;
}