numpy.matlib.empty(shape, dtype=None, order='C')
[source]
Return a new matrix of given shape and type, without initializing entries.
Parameters: |
|
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See also
empty_like
, zeros
empty
, unlike zeros
, does not set the matrix values to zero, and may therefore be marginally faster. On the other hand, it requires the user to manually set all the values in the array, and should be used with caution.
>>> import numpy.matlib >>> np.matlib.empty((2, 2)) # filled with random data matrix([[ 6.76425276e-320, 9.79033856e-307], # random [ 7.39337286e-309, 3.22135945e-309]]) >>> np.matlib.empty((2, 2), dtype=int) matrix([[ 6600475, 0], # random [ 6586976, 22740995]])
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https://docs.scipy.org/doc/numpy-1.17.0/reference/generated/numpy.matlib.empty.html