48 from daal.algorithms
import svd
49 from daal.data_management
import FileDataSource, DataSourceIface
51 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
52 if utils_folder
not in sys.path:
53 sys.path.insert(0, utils_folder)
54 from utils
import printNumericTable
56 DAAL_PREFIX = os.path.join(
'..',
'data')
59 datasetFileName = os.path.join(DAAL_PREFIX,
'batch',
'svd.csv')
62 if __name__ ==
"__main__":
65 dataSource = FileDataSource(
67 DataSourceIface.doAllocateNumericTable,
68 DataSourceIface.doDictionaryFromContext
72 dataSource.loadDataBlock(nRows)
75 algorithm = svd.Batch()
77 algorithm.input.set(svd.data, dataSource.getNumericTable())
80 res = algorithm.compute()
83 printNumericTable(res.get(svd.singularValues),
"Singular values:")
84 printNumericTable(res.get(svd.rightSingularMatrix),
"Right orthogonal matrix V:")
85 printNumericTable(res.get(svd.leftSingularMatrix),
"Left orthogonal matrix U:", 10)