参考链接: Python中的numpy.zeros
用法:zeros(shape, dtype=float, order='C')
返回:返回来一个给定形状和类型的用0填充的数组;
参数:shape...:形状
dtype:数据类型,可选参数,默认numpy.float64
np.zeros(5)
array([ 0., 0., 0., 0., 0.])
np.zeros((5,), dtype=np.int...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
Whether to store multidimensional data in