def on_epoch_begin(self, epoch, logs={}):
assert hasattr(self.model.optimizer, 'lr'), \
'Optimizer must have a "lr" attribute.'
lr = self.schedule(epoch)
assert type(
lr
) == float, 'The output of the "schedule" function should be float.'
K.set_value(self.model.optimizer.lr, lr)
def set_weights(self, weights):
'''Set the weights of the unit.
weights: a list of numpy arrays. The number of arrays and their shape must match
number of the dimensions of the weights of the unit (i.e. it should match the
output of `get_weights`).
'''
assert len(self.params) == len(weights), ('Provided weight array does not match unit weights (' +
str(len(self.params)) + ' unit params vs. ' +
str(len(weights)) + ' provided weights)')
for p, w in zip(self.params, weights):
if K.get_value(p).shape != w.shape:
raise Exception('Weight shape %s not compatible with weight shape %s.' % (K.get_value(p).shape, w.shape))
K.set_value(p, w)
def set_weights(self, weights):
'''Set the weights of the unit.
weights: a list of numpy arrays. The number of arrays and their shape must match
number of the dimensions of the weights of the unit (i.e. it should match the
output of `get_weights`).
'''
assert len(self.params) == len(weights), (
'Provided weight array does not match unit weights (' +
str(len(self.params)) + ' unit params vs. ' + str(len(weights)) +
' provided weights)')
for p, w in zip(self.params, weights):
if K.get_value(p).shape != w.shape:
raise Exception(
'Weight shape %s not compatible with weight shape %s.' %
(K.get_value(p).shape, w.shape))
K.set_value(p, w)
def on_epoch_begin(self, epoch, logs={}):
assert hasattr(self.model.optimizer, 'lr'), \
'Optimizer must have a "lr" attribute.'
lr = self.schedule(epoch)
assert type(lr) == float, 'The output of the "schedule" function should be float.'
K.set_value(self.model.optimizer.lr, lr)
def set_state(self, value_list):
assert len(self.updates) == len(value_list)
for u, v in zip(self.updates, value_list):
K.set_value(u[0], v)
def set_state(self, value_list):
assert len(self.updates) == len(value_list)
for u, v in zip(self.updates, value_list):
K.set_value(u[0], v)