Unverified50% confidenceFactExact time
高维空间中随着维度增加，随机向量之间的夹角趋向集中在90°附近，极端值1或-1概率趋近于零
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
Related Claims
Unverified在d维空间中随机采样两个单位向量，其内积期望为0，标准差约为1/√d；当d=1024时标准差约0.03173% similarUnverified1个基点等于0.01个百分点61% similarUnverified同一成年人在20米高度时约占图像面积的0.1%，而在80米高度时可能降至0.006%58% similarUnverified1个基点等于0.01个百分点，500个基点即利率上升5个百分点58% similarUnverifiedAI模型给出候选结果：将黎曼zeta函数零点中位于临界线上且为单零点的比例下界从Anthropic的67.250070%提升到约67.25214%58% similar
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