NameError: name 'xrange' is not defined
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代码:
import tensorflow as tf
import numpy as np
# 用 NumPy 随机生成 100 个数据
x_data = np.float32(np.random.rand(2, 100))
y_data = np.dot([0.100, 0.200], x_data) + 0.300
# 构造一个线性模型
b = tf.Variable(tf.zeros([1]))
W = tf.Variable(tf.random_uniform([1, 2], -1.0, 1.0))
y = tf.matmul(W, x_data) + b
# 最小化方差
loss = tf.reduce_mean(tf.square(y - y_data))
optimizer = tf.train.GradientDescentOptimizer(0.5)
train = optimizer.minimize(loss)
# 初始化变量
init = tf.initialize_all_variables()
# 启动图 (graph)
sess = tf.Session()
sess.run(init)
# 拟合平面
for step in xrange(0, 201):
sess.run(train)
if step % 20 == 0:
print (step, sess.run(W), sess.run(b))
报错:
NameError: name 'xrange' is not defined
解决办法:
for step in range(0, 201):
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