a=array([[ 0, 1, 2, 3], [ 4, 5, 6, 7], [ 8, 9, 10, 11], [12, 13, 14, 15]]) delete(a, s_[1:3], axis=0) # remove rows 1 and 2 output: array([[…
Month: 28/08/2015
Chọn cột trong ma trận
from operator import itemgetter nested_list = [[1, 2, 3], [10, 20, 30], [100, 200, 300]] map(itemgetter(1), nested_list) Result: [2, 20, 200]