Unverified50% confidenceFactExact time
RNNs face the vanishing gradient problem, whose essence is the cascading multiplication effect under the chain rule, making it difficult to learn long-range historical information.
1
Sources
50%
Confidence
Long-term
Relevance
7/24/2026
First Seen
Sources
词向量到大语言模型：AI 2.0技术演进全解析
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