23 from daal.algorithms
import svd
24 from daal.data_management
import FileDataSource, DataSourceIface
26 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
27 if utils_folder
not in sys.path:
28 sys.path.insert(0, utils_folder)
29 from utils
import printNumericTable
31 DAAL_PREFIX = os.path.join(
'..',
'data')
35 dataFileName = os.path.join(DAAL_PREFIX,
'batch',
'svd.csv')
37 if __name__ ==
"__main__":
40 dataSource = FileDataSource(
42 DataSourceIface.doAllocateNumericTable,
43 DataSourceIface.doDictionaryFromContext
47 algorithm = svd.Online(fptype=np.float64)
49 while dataSource.loadDataBlock(nRowsInBlock):
51 algorithm.input.set(svd.data, dataSource.getNumericTable())
57 res = algorithm.finalizeCompute()
60 printNumericTable(res.get(svd.singularValues),
"Singular values:")
61 printNumericTable(res.get(svd.rightSingularMatrix),
"Right orthogonal matrix V:")
62 printNumericTable(res.get(svd.leftSingularMatrix),
"Left orthogonal matrix U:", 10)