numpy.zeros_like
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numpy.zeros_like
- numpy.zeros_like(a,dtype=None,order='K', subok=True)[source]
Return an array of zeros with the same shape and type as a given array.
Parameters: a : array_like
The shape and data-type of a define these same attributes ofthe returned array.
dtype : data-type, optional
Overrides the data type of the result.
New in version 1.6.0.
order : {‘C’, ‘F’, ‘A’, or ‘K’}, optional
Overrides the memory layout of the result. ‘C’ means C-order,‘F’ means F-order, ‘A’ means ‘F’ ifa is Fortran contiguous,‘C’ otherwise. ‘K’ means match the layout ofa as closelyas possible.
New in version 1.6.0.
subok : bool, optional.
If True, then the newly created array will use the sub-classtype of ‘a’, otherwise it will be a base-class array. Defaultsto True.
Returns: out : ndarray
Array of zeros with the same shape and type asa.
See also
- ones_like
- Return an array of ones with shape and type of input.
- empty_like
- Return an empty array with shape and type of input.
- zeros
- Return a new array setting values to zero.
- ones
- Return a new array setting values to one.
- empty
- Return a new uninitialized array.
Examples
>>> x = np.arange(6)>>> x = x.reshape((2, 3))>>> xarray([[0, 1, 2], [3, 4, 5]])>>> np.zeros_like(x)array([[0, 0, 0], [0, 0, 0]])
>>> y = np.arange(3, dtype=np.float)>>> yarray([ 0., 1., 2.])>>> np.zeros_like(y)array([ 0., 0., 0.])
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