今天小编就为大家分享一篇Python实现随机取一个矩阵数组的某几行，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

废话不多说了，直接上代码吧！ import numpy as np array = np.array([0, 0]) for i in range(10): array = np.vstack((array, [i+1, i+1])) print(array) # [[ 0 0] # [ 1 1] # [ 2 2] # [ 3 3] # [ 4 4] # [ 5 5] # [ 6 6] # [ 7 7] # [ 8 8] # [ 9 9] # [10 10]] rand_arr = np.