【深度学习_2.3_1】神经网络之TensorFlow初步应用

导入相关类库

import math
import numpy as np
import h5py
import matplotlib.pyplot as plt
import tensorflow as tf
from tensorflow.python.framework import ops
from tf_utils import load_dataset, random_mini_batches, convert_to_one_hot, predict


%matplotlib inline
np.random.seed(1)

TensorFlow计算损失函数样例

代码实现：

y_hat = tf.constant(36, name='y_hat')            # Define y_hat constant. Set to 36.
y = tf.constant(39, name='y')                    # Define y. Set to 39


loss = tf.Variable((y - y_h