学习笔记122—Matlab中向量的交集、并集、差集等集合运算

A = [1,2,3,4,5,6];
B = [1,2,3,7,8,9];
C = [1,2,3,6,5,4,7,8,9];
D = [1,1,2,2,3,3]

intersect(A,B); % ans = [1,2,3]
union(A,B);     % ans = [1,2,3,4,5,6,7,8,9]
setdiff(A,B)    % ans = [4,5,6]
setdiff(A,C)    % ans = Empty matrix: 1-by-0
ismember(1,A);  % ans = 1
sort(C);        % ans = [1,2,3,4,5,6,7,8,9]
issorted(A);    % ans = 1
setxor(A,B);    % ans = [4,5,6,7,8,9]
unique(D);      % ans = [1,2,3]