1、一維數(shù)組直接合并
題目:
數(shù)組work1[x1,x2——,xn],work2[y1,y2——,yn],現(xiàn)在要生成一個數(shù)組work3,
work3中的數(shù)據(jù)為[x1,x2,x3--xn,y1,y2--yn];
?????? 合并方法:
直接將兩個矩陣合并:
A = [1,2,3,4];
B = [-1,-2,-3,-4];
C = zeros(1,size(B,2)+size(A,2));???? %這句可以不要;
C = [A, B];
2、一維數(shù)組交叉合并:
題目:
數(shù)組work1[x1,x2——,xn],work2[y1,y2——,yn],現(xiàn)在要生成一個數(shù)組work3,
work3中的數(shù)據(jù)為[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:
?????????? 對于解法二改進(jìn):
?????????? c=reshape([A;B],1,[]);
?????????? 這里要注意,只能在v7以上的版本才能使用此法;文章來源:http://www.zghlxwxcb.cn/news/detail-494377.html
?????? 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,試總結(jié)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]);
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