1 横向展开成向量 >> A=[1 2 3;4 5 6] A = 1 2 3 4 5 6 >> B=A' B = 1 4 2 5 3 6 >> C=B(:) C = 1 2 3 4 5 6 2 纵向展开成向量 >> A=[1 2 3;4 5 6] A = 1 2 3 4 5 6 >> B=A(:) B = 1 4 2 5 3 6