Azzera filtri
Azzera filtri

Sum and Sort Values from Multiple Vectors

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I have a numerical vector:
Time = [10 23 54 50]
This corresponds to the string vector:
Place = [A B C A]
And another string vector:
Unique = [A B C]
How do I count these so that I get the following result:
x = [60 23 54]
This is just a snippet of the actual data - the full data set is at least 5000 long. I figured an if loop would work but I'm having trouble visualising and writing the code out.
Any help would be much appreciated. Thanks :)
  2 Commenti
per isakson
per isakson il 26 Mag 2019
Modificato: per isakson il 26 Mag 2019
A B C are they names of variables or what?
Patrick Rungrugeecharoen
Patrick Rungrugeecharoen il 26 Mag 2019
They're variables yes in the form of strings.

Accedi per commentare.

Risposta accettata

KSSV
KSSV il 26 Mag 2019
Time = [10 23 54 50]
place = {'A' 'B' 'C' 'A'}
place_unique = unique(place)
N = length(place_unique) ;
iwant = zeros(N,1) ;
for i = 1:N
iwant(i) = sum(Time(strcmp(place,place_unique{i}))) ;
end
iwant

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