/**
* Creates a new matrix with the given vector into the first column and the other matrix to the
* other columns. This is usually used in machine learning algorithms that add a bias on the
* zero-index column.
*
* @param first the new first column.
* @param otherMatrix the other matrix to set on from the second column.
*/
public SparseDoubleRowMatrix(DenseDoubleVector first, DoubleMatrix otherMatrix) {
this(otherMatrix.getRowCount(), otherMatrix.getColumnCount() + 1);
setColumnVector(0, first);
for (int i = 1; i < numColumns; i++) {
setColumnVector(i, otherMatrix.getColumnVector(i - 1));
}
}
