将矩阵A的第3行元素替换为(4,5,6)的命令为 A、A(3,:)=[4,5,6]; B、A(:,3)=[4,5,6]; C、A(3,3)=[4,5,6]; D、A(1,3)=[4,5,6] 发布时间:2024-11-03 12:45:40