🌈 搜索
📅  最后修改于: 2022-03-11 14:46:02.174000             🧑  作者: Mango
np.triu([[1,2,3],[4,5,6],[7,8,9],[10,11,12]], -1) array([[ 1, 2, 3], [ 4, 5, 6], [ 0, 8, 9], [ 0, 0, 12]])