=True)
d = tf.train.exponential_decay(learning_rate, global_, decay_steps, decay_rate, staircase=False...反时限学习率衰减
inverse_time_decay(learning_rate, global_step, decay_steps, decay_rate,staircase=False,name=...=True)
f = tf.train.inverse_time_decay(learning_rate, global_, decaystep, decay_rate, staircase=False...学习率自然指数衰减
def natural_exp_decay(learning_rate, global_step, decay_steps, decay_rate, staircase=False,...=True)
f = tf.train.natural_exp_decay(learning_rate, global_, decaystep, decay_rate, staircase=False)