Azzera filtri
Azzera filtri

How to select specific row in a matrix

3 visualizzazioni (ultimi 30 giorni)
AKHILESH KUMAR
AKHILESH KUMAR il 19 Mar 2018
Commentato: Akira Agata il 21 Mar 2018
i have data like
doy time aod
5 05:46:46 0.62800
5 05:46:56 0.62100
5 05:47:07 0.61600
7 06:47:06 0.53600
7 06:47:16 0.53200
7 06:47:27 0.53500
11 08:31:35 0.64000
11 08:31:46 0.63400
11 08:31:57 0.62600
and i want this data like(for minimum aod in group)
5 05:47:07 0.61600
7 06:47:16 0.53200
11 08:31:57 0.62600
  2 Commenti
James Tursa
James Tursa il 19 Mar 2018
How do you currently have the data stored? In a table variable? Or ...?
AKHILESH KUMAR
AKHILESH KUMAR il 20 Mar 2018
data are stored in table

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Risposte (1)

Akira Agata
Akira Agata il 20 Mar 2018
Assuming your data is stored in table format, say T, the following code can do that.
func = @(x) T(T.aod == min(x),:);
Tout = splitapply(func,T.aod,findgroups(T.doy));
The result is like this:
>> Tout
Tout =
3×3 table
doy time aod
___ ________ _____
5 05:47:07 0.616
7 06:47:16 0.532
11 08:31:57 0.626
  3 Commenti
AKHILESH KUMAR
AKHILESH KUMAR il 20 Mar 2018
what is x and in MATLAB time, aod ,doy are string.
Akira Agata
Akira Agata il 21 Mar 2018
x is an input variable of an 'anonymous function'. Please visit the following link for more details.

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