【Tensorflow】报错:FailedPreconditionError: Attempting to use uninitialized value keep_prob_7
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问题描述:
定义了一个变量:
keep_prob = tf.Variable(1.0 , name='keep_prob')
尝试打印它的值:
print(sess.run(keep_prob))
报错:
FailedPreconditionError: Attempting to use uninitialized value keep_prob_7
问题分析:
Tensorflow中,所有变量都必须初始化才能使用。
初始化所有变量:
sess = tf.Session()
sess.run(tf.initialize_all_variables())
问题解决:
keep_prob = tf.Variable(1.0 , name='keep_prob')
sess = tf.Session()
sess.run(tf.initialize_all_variables())
print(sess.run(keep_prob))
print(sess.run(tf.get_default_graph().get_operation_by_name('keep_prob').outputs[0]))
print(sess.run('keep_prob:0'))
print(sess.run('keep_prob'))
打印结果:
1.0
1.0
1.0
None
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