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How i plot these values in Matlab 2015 version?

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SOMNATH MAHATO
SOMNATH MAHATO on 13 Oct 2020
Closed: MATLAB Answer Bot on 20 Aug 2021
Time Allystar M8T F9P LS
15:27:31 -0.1788 -0.1246 -0.1553 -0.1248
16:27:31 -0.3784 -0.0922 0.0863 -0.1232
17:27:31 -0.026 0.0978 0.2577 0.3321
18:27:31 -0.0607 -0.149 -0.0981 0.0831
19:27:31 -0.9248 -0.6555 -0.7323 -0.745
20:27:31 -0.2253 -0.1903 -0.3662 -0.3096
21:27:31 -0.2381 -0.2125 -0.3155 -0.3181
22:27:31 -0.4784 -0.4363 -0.2506 -0.4413

Answers (1)

Walter Roberson
Walter Roberson on 13 Oct 2020
readtable().
In your version, those durations will come across as character vectors, and you will not (in your version) just be able to pass them to duration() in order to convert to HMS. However, you can
cell2mat(cellfun(@(s) sscanf(s, '%d:%d:%d', [1 inf]), Table.Variable, 'uniform', 0))
and pass that to duration() [you might have to split the columns into individual arguments.)
  2 Comments
SOMNATH MAHATO
SOMNATH MAHATO on 13 Oct 2020
Thanks for your responce.
But it shows error.
If i change the time with numerical values then how it works. if posible send to me details programme.
Time Allystar M8T F9P LS
1 -0.1788 -0.1246 -0.1553 -0.1248
2 -0.3784 -0.0922 0.0863 -0.1232
3 -0.026 0.0978 0.2577 0.3321
4 -0.0607 -0.149 -0.0981 0.0831
5 -0.9248 -0.6555 -0.7323 -0.745
6 -0.2253 -0.1903 -0.3662 -0.3096
7 -0.2381 -0.2125 -0.3155 -0.3181
Walter Roberson
Walter Roberson on 13 Oct 2020
Eek, your version was pretty primitive on reading table formats compared to current versions!
filename = 'allystar.txt';
fid = fopen(filename, 'rt');
tcell = textscan(fid, '%s%f%f%f%f', 'headerlines', 1);
fclose(fid);
t = table(tcell{:}, 'variablenames', {'Time', 'Allystar', 'M8T', 'F9P', 'LS'});
timeparts = cell2mat(cellfun(@(s) sscanf(s, '%d:%d:%d', [1 inf]), t{:,1}, 'uniform', 0));
t.times = duration(timeparts(:,1), timeparts(:,2), timeparts(:,3));
plot(t.times, t.Allystar, t.times, t.M8T, t.times, t.F9P, t.times, t.LS);
legend({'Allystar', 'M8T', 'F9P', 'LS'})

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