a = [{"word":"a","tfidf":0.5}, {"word":"b","tfidf":0.1}, {"word":"c","tfidf":0.2}] b = [{"word":"d","tfidf":0.3}, {"word":"a","tfidf":0.2}, {"word":"c","tfidf":0.4}] c = [{"word":"a","tfidf":0.7}, {"word":"b","tfidf":0.1}, {"word":"c","tfidf":0.6}, {"word":"d","tfidf":0.3}] Register as a new user and use Qiita more conveniently You get articles that match your needsYou can efficiently read back us