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Sum and Sort Values from Multiple Vectors

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Patrick Rungrugeecharoen
Patrick Rungrugeecharoen el 26 de Mayo de 2019
Comentada: Patrick Rungrugeecharoen el 26 de Mayo de 2019
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 comentarios
per isakson
per isakson el 26 de Mayo de 2019
Editada: per isakson el 26 de Mayo de 2019
A B C are they names of variables or what?
Patrick Rungrugeecharoen
Patrick Rungrugeecharoen el 26 de Mayo de 2019
They're variables yes in the form of strings.

Iniciar sesión para comentar.

Respuesta aceptada

KSSV
KSSV el 26 de Mayo de 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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