from?__future__?import?print_function
import?numpy?as?np
import?openpyxl

class?RBM:

????def?__init__（self?num_visible?num_hidden）:
????????self.num_hidden?=?num_hidden
????????self.num_visible?=?num_visible
????????self.debug_print?=?True

????????np_rng?=?np.random.RandomState（1234）

????????self.weights?=?np.asarray（np_rng.uniform（
????????low=-0.1?*?np.sqrt（261.?/?（num_hidden?+?num_visible））
????????????????????high=0.1?*?np.sqrt（261.?/?（num_hidden?+?num_visible））
????????????????????size=（num_visible?num_hidden）））

????????self.weights?=?np.insert（self.weights?0?0?axis?=?0）
????????self.weights?=?np.insert（self.weights?0?0?axis?=?1）
????def?train（self?data?max_epochs?=?1000?learning_rate?=?0.1）:
?????????“““
?????????Train?the?machine.

?????????Parameters
?????????----------
?????????data:?A?matrix?where?each?row?is?a?training?example?consisting?of?the?
?????????states?of?visible?units.????