tensorflow reduce_mean reduce_sum nan值问题

损失函数loss = tf.reduce_sum()会出现loss = nan的情况,而loss = tf.reduce_mean()不会

解答:https://stackoverflow.com/questions/41954308/loss-function-works-with-reduce-mean-but-not-reduce-sum

截图如下

tensorflow reduce_mean reduce_sum nan值问题_第1张图片
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tensorflow reduce_mean reduce_sum nan值问题_第2张图片
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