numpy.linalg.LinAlgError

exception numpy.linalg.LinAlgError [source]

Generic Python-exception-derived object raised by linalg functions.

General purpose exception class, derived from Python?s exception.Exception class, programmatically raised in linalg functions when a Linear Algebra-related condition would prevent further correct execution of the function.

Parameters: None

Examples

>>> from numpy import linalg as LA
>>> LA.inv(np.zeros((2,2)))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "...linalg.py", line 350,
    in inv return wrap(solve(a, identity(a.shape[0], dtype=a.dtype)))
  File "...linalg.py", line 249,
    in solve
    raise LinAlgError('Singular matrix')
numpy.linalg.LinAlgError: Singular matrix
doc_NumPy
2017-01-10 18:14:45
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