import numpy as np
[docs]class zero:
"""zero"""
def __init__(self):
self.num_params = 0
self.params = np.array([])
[docs] def get_mean(self, num_data, params=None):
"""
Returning numpy.zeros(num_data)
Parameters
----------
num_data: int
dimension of numpy.zeros
params: object
not used
Returns
-------
numpy.ndarray
"""
return np.zeros(num_data)
[docs] def get_grad(self, num_data, params=None):
"""
Returning empty numpy.ndarray
Parameters
----------
num_data: int
not used
params: object
not used
Returns
-------
numpy.ndarray
"""
return np.array([])
[docs] def set_params(self, params):
"""
Not defined
Parameters
----------
params
Returns
-------
"""
pass