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exception.exception类,在线性代数相关条件阻止函数进一步正确执行时,在Linalg函数中以编程方式引发。
实例
>>> 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