numpy.matlib.ones#

matlib.ones(shape, dtype=None, order='C')[原始碼]#

Matrix of ones.

Return a matrix of given shape and type, filled with ones.

Parameters:

shape{sequence of ints, int}: Shape of the matrix
dtypedata-type, optional: The desired data-type for the matrix, default is np.float64.
order{『C』, 『F』}, optional: Whether to store matrix in C- or Fortran-contiguous order, default is 『C』.

Returns:

也參考

Notes

If shape has length one i.e. (N,), or is a scalar N, out becomes a single row matrix of shape (1,N).

Examples

>>> np.matlib.ones((2,3))
matrix([[1.,  1.,  1.],
        [1.,  1.,  1.]])

>>> np.matlib.ones(2)
matrix([[1.,  1.]])