47 from daal.algorithms
import qr
48 from daal.data_management
import FileDataSource, DataSourceIface
50 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
51 if utils_folder
not in sys.path:
52 sys.path.insert(0, utils_folder)
53 from utils
import printNumericTable
55 DAAL_PREFIX = os.path.join(
'..',
'data')
58 datasetFileName = os.path.join(DAAL_PREFIX,
'batch',
'qr.csv')
61 if __name__ ==
"__main__":
64 dataSource = FileDataSource(
65 datasetFileName, DataSourceIface.doAllocateNumericTable,
66 DataSourceIface.doDictionaryFromContext
70 dataSource.loadDataBlock(nRows)
73 algorithm = qr.Batch()
75 algorithm.input.set(qr.data, dataSource.getNumericTable())
77 res = algorithm.compute()
80 printNumericTable(res.get(qr.matrixQ),
"Orthogonal matrix Q:", 10)
81 printNumericTable(res.get(qr.matrixR),
"Triangular matrix R:")