numpy.ones(shape, dtype=None, order='C')[source]¶Return a new array of given shape and type, filled with ones.
Shape of the new array, e.g., (2, 3) or 2.
The desired data-type for the array, e.g., numpy.int8. Default is
numpy.float64.
Whether to store multi-dimensional data in row-major (C-style) or column-major (Fortran-style) order in memory.
Array of ones with the given shape, dtype, and order.
See also
Examples
>>> np.ones(5)
array([1., 1., 1., 1., 1.])
>>> np.ones((5,), dtype=int)
array([1, 1, 1, 1, 1])
>>> np.ones((2, 1))
array([[1.],
[1.]])
>>> s = (2,2)
>>> np.ones(s)
array([[1., 1.],
[1., 1.]])