adaptive moment estimation(自适应矩估计)
tf.train.AdamOptimizer(
learning_rate=0.001,
beta1=0.9,
beta2=0.999,
epsilon=1e-08,
use_locking=False,
name='Adam'
)tf.train.Adtf.train.AdamOptimizer(
learning_rate=0.001,
beta1=0.9,
beta2=0.999,
epsilon=1e-08,
use_locking=False,
name='Adam'
)tf.train.Ad