char array comparison

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Sam Da
Sam Da 2011-3-15
I have a large char array and these are dates so the array has elements as: 20070801 20070802 20070803 etc.
This array shows up as 100x8 in the workspace. I want to get all the dates which are less than 20070915. How do I use the 'find' function to achieve this or any other straight forward method?

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Paulo Silva
Paulo Silva 2011-3-15
a=['20070801';'20070802';'20070803']; %some date values
b=20070802; %value to compare
a(find(str2num(a)<b),:) %date values older than the compared value

更多回答（1 个）

Walter Roberson
Walter Roberson 2011-3-15
You could datenum() the dates and compare them to datenum() of your search date.

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