例子2
创建数据
import tensorflow as tf
import numpy as np
# create data
x_data = np.random.rand(100).astype(np.float32)
y_data = x_data*0.1 + 0.3搭建模型
Weights = tf.Variable(tf.random_uniform([1], -1.0, 1.0))
biases = tf.Variable(tf.zeros([1]))
y = Weights*x_data + biases计算误差
loss = tf.reduce_mean(tf.square(y-y_data))传播误差
训练
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