how to create array datetime
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i want datetime in this format :
01/02/2008 501 (day/month/years and time)
i try it :
bbb=datetime(bb,"InputFormat", "dd/MM/yyyy");
but i get error format
1 个评论
Cris LaPierre
2024-5-13
Based on your graphic, 01/02/2008 501 is actually (month/day/year time)
采纳的回答
load matlab_A
A
hh = floor(A(:,4)/100);
mm = mod(A(:,4),100);
ss = zeros(size(A,1),1);
B = [A(:,[1 2 3]) hh mm ss];
D = datetime(B,'Format','dd/MM/yyyy Hmm')
6 个评论
shamal
2024-5-13
Voss
2024-5-14
You're welcome!
shamal
2024-5-20
Voss
2024-5-20
Not possible. datetime expects y,m,d or y,m,d,h,m,s, so if you want the h and the m you have to also give the s. Note that the Format doesn't show the seconds anyway.
shamal
2024-5-20
Note that by supplying the units separately you could minimize the seconds to one single 0 and write less code:
A = load('matlab_A.mat').A
hh = fix(A(:,4)/100);
mm = mod(A(:,4),100);
D = datetime(A(:,1),A(:,2),A(:,3),hh,mm,0, 'Format','dd/MM/yyyy Hmm')
更多回答（2 个）
You have the correct function, just the wrong syntax. The biggest issue I see with the conversion is that your time appears to be in millitary format, or HHmm.
I therefore think the simplest approach is to convert your array into a string arrary and then use the syntax t = datetime(DateStrings)
load matlab_A.mat
A
% Capture the time
D = datetime(num2str(A),'InputFormat',"yyyy M d Hmm",'Format',"dd/MM/yyyy Hmm")
thank for answer
The originally array is
it's a very large array
i try your solution but the PC no longer responded
i use ctr+c to break loop..
i try it:
tic
[A,~]=importdata(bubu);
toc
Elapsed time is 3.253890 seconds.
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