nx.convert_matrix.to_numpy_array(g)\n Run Code Online (Sandbox Code Playgroud) 结果是: array([[0., 1., 1., 0., 0., 0.],\n[1., 0., 0., 1., 0., 0.],\n[1., 0., 0., 1., 0., 0.],\n[0., 1., 1., 0., 0., 0.],\n[0., 0., 0., 0., 0., 1....
import numpy as np x = np.array([[1,2],[3,4]], dtype=np.float64) y = np.array([[5,6],[7,8]], dtype=np.float64) # Elementwise sum; both produce the array # [[ 6.0 8.0] # [10.0 12.0]] print(x + y) print(np.add(x, y)) # Elementwise difference; both produce th...
Convert a collection of raw documents to a matrix of TF-IDF features. Equivalent to CountVectorizer followed by TfidfTransformer. 举例: # 初始化TfidfVectorizer vectorizer = TfidfVectorizer(tokenizer=tok,stop_words=stop_words) labels = list() # 特征提取 data = vectorizer.fit_transform(load_...