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DAMASK_EICMD
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requested can be str

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Daniel Otto de Mentock 2024-02-08 10:50:10 +01:00 committed by achalhp
parent 28a83d6b69
commit dffc567ba0
1 changed files with 4 additions and 2 deletions
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6
python/damask/mechanics.py
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@ -5,7 +5,7 @@ All routines operate on numpy.ndarrays of shape (...,3,3).
"""
from typing import Sequence as _Sequence#, Literal as _Literal
from typing import Sequence as _Sequence, Union as _Union #, Literal as _Literal
import numpy as _np
@ -316,7 +316,7 @@ def stretch_right(T: _np.ndarray) -> _np.ndarray:
def _polar_decomposition(T: _np.ndarray,
requested: _Sequence[str]) -> tuple:
requested: _Union[str, _Sequence[str]]) -> tuple:
"""
Perform singular value decomposition.
@ -334,6 +334,8 @@ def _polar_decomposition(T: _np.ndarray,
Requested components of the singular value decomposition.
"""
if isinstance(requested, str): requested = [requested]
u, _, vh = _np.linalg.svd(T)
R = _np.einsum('...ij,...jk',u,vh)