matlab矩阵相加
>> a1=[1,2,3;2,3,4;3,4,5] a1 = 1 2 3 2 3 4 3 4 5 >> >> >> b1=[1,2,3] b1 = 1 2 3 >> >> a1+b1 ans = 2 4 6 3 5 7 4 6 8 >> >> >>