1、矩阵的加法
>> a = [1,2,3,4;5,6,7,8;9,10,11,12]
a =
1 2 3 4
5 6 7 8
9 10 11 12
>> b = [2,4,6,8;10,12,14,16;18,20,22,24]
b =
2 4 6 8
10 12 14 16
18 20 22 24
>> a + b
ans =
3 6 9 12
15 18 21 24
27 30 33 36>> a = [1,2,3,4;5,6,7,8;9,10,11,12
