numpy.linalg.LinAlgError

exception linalg.LinAlgError

linalg 函数引发的通用 Python 异常派生对象.

通用异常类,派生自 Python 的 ValueError 类,当与线性代数相关的条件会阻止函数进一步正确执行时,在线性代数函数中以编程方式引发.

参数:

None

示例

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>>> 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

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