Could anyone help me with a code to check if the time intervals intersect

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Catalytic Kys
Catalytic Kys 2019-10-15
评论： Catalytic Kys 2019-10-15
% This script should select the optimal time intervals, so that as many time intervals fit without intersecting each other.
clear;
close all;
clc;
list = [
10 20; % Time intervals: (start day [space] end day) (starts at day 10 ends at day 20 of the year)
9 15;
16 17;
21 100;
];
list_ordered = sortrows(list)
% Check which time intervals overlap:
% 10 20 [9 15, 16 17]
% 9 15 [10 20]
% 16 17 [10 20]
% 21 100 []
% Remove the time intervals with the most intersections:
% 9 15
% 16 17
% 21 100

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采纳的回答

Andrei Bobrov
Andrei Bobrov 2019-10-15
M = sortrows(list);
out = M(sum(squeeze(any(M - permute(M,[3,2,1]) <= 0,2))) == 1:size(list,1),:);

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