TTOptions
TTOptions(
self,
max_als: int = 1,
als_tol: float = 0.0001,
init_rank: int = 20,
kick_rank: int = 2,
max_rank: int = 30,
local_tol: float = 1e-06,
cdf_tol: float = 1e-06,
tt_method: str = 'amen',
int_method: str = 'maxvol',
verbose: int = 1,
)Options for configuring the construction of an FTT object.
Parameters
max_als : int = 1-
The maximum number of ALS iterations to be carried out during the FTT construction.
als_tol : float = 0.0001-
The tolerance to use to determine whether the ALS iterations should be terminated.
init_rank : int = 20-
The initial rank of each tensor core.
kick_rank : int = 2-
The rank of the enrichment set of samples added at each ALS iteration.
max_rank : int = 30-
The maximum allowable rank of each tensor core (prior to the enrichment set being added).
local_tol : float = 1e-06-
The threshold to use when applying truncated SVD to the tensor cores when building the FTT.
cdf_tol : float = 1e-06-
The tolerance used when solving the root-finding problem to invert the CDF.
tt_method : str = 'amen'-
The method used to construct the TT cores. Can be
'fixed','random', or'amen'. int_method : str = 'maxvol'-
The interpolation method used when constructing the tensor cores. Can be
'maxvol'(Goreinov et al. 2010) or'deim'(Chaturantabut and Sorensen 2010). verbose : int = 1-
If
verbose=0, no information about the construction of the FTT will be printed to the screen. Ifverbose=1, diagnostic information will be prined at the end of each ALS iteration. Ifverbose=2, the tensor core currently being constructed during each ALS iteration will also be displayed.