nonnegative combination 中文意思是什麼
nonnegative combination
解釋
非負組合- nonnegative : 非負的
- combination : n 1 結合，合併，混合，聯合，配合，組合。2 合作；共謀，同謀；同黨。3 〈pl 〉〈英國〉連褲襯衣。4 【...
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If a document is viewed as a combination of basis topics, and every basis topic is represented by a related vector, then it can be categorized as belonging to the topic represented by its principal vector. thus, nmf can be used to organize document collections into partitioned structures or clusters directly derived from the nonnegative factors
如果將一篇文檔看作是由許多文本主題組合而成，而文本主題與語義空間的特徵向量相對應的話，則我們可以直接根據nmf演算法所提取的特徵向量及相對于特徵向量各文檔的編碼向量將文本集劃分成不同的類。
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