Cannot use find() inorder to find the index of a time in datetime array

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Hello,
I was trying to find the index of a particular time having datetime format (attached here as time.mat). I tried the usual find() inorder to find the index of an element but am constantly getting a 0×1 empty double column vector.
For example, I tried the following.
t=load('time.mat');
time=t.a; % a: [101×1 datetime]
index = find(time=='02-Dec-2014 07:05:25')
which gives me
0×1 empty double column vector.
Not sure why that is happening even though '02-Dec-2014 07:05:25' is present as the last element in the array.
Thank you for any help.

Accepted Answer

Matt J
Matt J on 11 Apr 2022
Edited: Matt J on 11 Apr 2022
Because you have sub-second precision in "t.a",
t=load('time.mat');
t.a(end)
ans = datetime
02-Dec-2014 07:05:25
seconds( t.a(end) - datetime('02-Dec-2014 07:05:25'))
ans = 0.6015
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