[KongchangAI]
Unverified50% confidenceFactExact time

余弦相似度值为1表示方向完全一致(夹角0°),值为0表示正交(夹角90°),值为-1表示方向完全相反(夹角180°)

1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen

Sources

余弦相似度-1代表语义相反?机器学习面试高频陷阱解析

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Cite This Claim

Stable URI
https://kongchang.com/claim/507863
API
curl https://kongchang.com/api/v1/knowledge/claims/507863
MCP
get_claim(id=507863)