''' numpy.ones numpy.ones(shape, dtype=None, order='C')[source] Return a new array of given shape and type, filled with ones. Parameters shape int or sequence of ints Shape of the new array, e.g., (2, 3) or 2. dtype data-type, optional The desired data-type for the array, e.g., numpy.int8. Default is numpy.float64. order {‘C’, ‘F’}, optional, default: C Whether to store multi-dimensional data in row-major (C-style) or column-major (Fortran-style) order in memory. Returns out ndarray Array of ones with the given shape, dtype, and order. ''' # numpy.ones的用法和np.zeros几乎一样，结果不一样，np.ones里面array填充的是1，np.zeros里面填充的是0 ### 具体用法参考np.zeros
