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Nature
7d
What is principal component analysis?
Principal component analysis (PCA) is a mathematical algorithm that reduces the dimensionality of the data while retaining most of the variation in the data set 1. It accomplishes this reduction ...
腾讯网
7d
大模型内部也有功能分区,MIT团队揭示其“大脑”结构
AI 的“大脑”究竟长什么样? 近期,来自美国麻省理工学院的研究团队通过稀疏自编码器(SAE,Sparse Autoencoder)在大语言模型的激活空间中发现了大量可解释的向量点,这些向量点代表了模型所掌握的各种概念。
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