1、一维数组直接合并 题目: 数组work1[x1,x2——,xn],work2[y1,y2——,yn],现在要生成一个数组work3, work3中的数据为[x1,x2,x3--xn,y1,y2--yn];
合并方法: 直接将两个矩阵合并: A = [1,2,3,4]; B = [-1,-2,-3,-4]; C = zeros(1,size(B,2)+size(A,2)); %这句可以不要; C = [A, B];
2、一维数组交叉合并: 题目: 数组work1[x1,x2——,xn],work2[y1,y2——,yn],现在要生成一个数组work3, work3中的数据为[x1,y1,x2,y2——,xn,yn]; 合并方法一: A = [1,2,3,4]; B = [-1,-2,-3,-4]; C = zeros(1,size(B,2)+size(A,2)); C(1:2:end) = A; C(2:2:end) = B C = 1 -1 2 -2 3 -3 4 -4
解法二: A = [1,2,3,4]; B = [-1,-2,-3,-4]; C=[A' B']'; C=reshape(C, 1, length(A)+length(B)); C = 1 -1 2 -2 3 -3 4 -4
解法三:
对于解法二改进:
c=reshape([A;B],1,[]);
这里要注意,只能在v7以上的版本才能使用此法;
解法四: A = [1,2,3,4]; B = [-1,-2,-3,-4]; C=kron(A,[1 0])+kron(B,[0 1]); C = 1 -1 2 -2 3 -3 4 -4 很多技巧,试总结以上的方案: ------------------------------------- A = [1,2,3,4]; B = [-1,-2,-3,-4]; ----------------- 1 ----------------- C = zeros(1,size(B,2)+size(A,2)); C(1:2:end) = A; C(2:2:end) = B; C=C(:); ------------------2 ----------------- C=[A' B']'; C=reshape(C, 1, length(A)+length(B)); ------------------3------------------- c=reshape([A;B],1,[]) ------------------4------------------- C=kron(A,[1 0])+kron(B,[0 1]); --------------------------------------