id_ning

摘要： import numpy as np a = np.zeros((2,3), dtype=int) print(a) b = np.ones_like(a, dtype=int) print(b) 结果： a: [[0 0 0] [0 0 0]] b: [[1 1 1] [1 1 1]] 阅读全文

摘要： import numpy as np a = np.array([i for i in range(5)]) b = np.array([i for i in range(5, 10)]) print('a:', a) print('b:', b) c = np.stack([a,b], axis= 阅读全文