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提示
tensorflow.python.framework.errors_impl.InvalidArgumentError: You must feed a value for placeholder tensor 'y-input' with dtype float and shape [?,1]
[[{{node y-input}}]]
提示
tensorflow.python.framework.errors_impl.InvalidArgumentError: You must feed a value for placeholder tensor 'y-input' with dtype float and shape [?,1]
[[{{node y-input}}]]
小白，猜测与y_没有被赋值有关
但样例里y_用的是tf.placeholder,此后没有再被赋值