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NumPy - 2.1
- np.array()
- np.asarray()
- np.zeros()
- np.ones()
- np.empty()
- np.arange()
- np.linspace()
- np.eye()
- np.full()
- np.fromfunction()
- np.empty_like()
- np.identity()
- np.ones_like()
- np.zeros_like()
- np.full_like()
- np.frombuffer()
- np.from_dlpack()
- np.fromfile()
- np.fromiter()
- np.fromstring()
- np.loadtxt()
- np.rec.array()
- np.logspace()
- np.geomspace()
- np.meshgrid()
- np.mgrid()
- np.ogrid()
- np.diag()
- np.diagflat()
- np.tri()
- np.tril()
- np.triu()
- np.vander()
Creation | np.diag()
Method:
np.diag(v, k=0)
Extracts a diagonal from a 2D array or constructs a diagonal matrix.
Returns:
np.ndarray
Parameters:
v: array-like-
k: int, Optional-
The diagonal offset (default 0). A positive value refers to an upper diagonal, and a negative value to a lower diagonal.
k = 0 (default) +
k = 1 +