import numpy as np data_train = np.random.randn(10000, 2, 3) print(data_train.shape) np.random.shuffle(data_train) batch_size = 100 for i in range(0, len(data_train), batch_size): x_batch_sum = np.sum(data_train[i:i+batch_size]) print("第{}批次,该批次的数据之和:{}".format(i, x_batch_sum))