deviation from the average value less

hello everyone, I have a vector composed of 34 rows by 40 columns, I would like to calculate the average value of each row (therefore a 34x1) and then find the column of the starting vector that is closest to that column made up of average values, to then be able to find the corresponding column number . how can do it? thanks

my array name is veT:

for i = 1: duration

traci.simulation.step();

if i==1

for f=1:length(semafori)

traci.trafficlights.setPhaseDuration(semafori{f}, nominali(f,1))

end

end

for n=1:length(induction)

vec_sec(n,i)=traci.inductionloop.getLastStepVehicleNumber(induction{n});

end

for v=1:length(k)

if i==t(v)

for j=1:length(vec_sec(:,1))

veT(j,v)=sum(vec_sec(j,(t(v)-(T-1)):t(v))); % this is vector by34x40

end

for f=1:length(semafori)

traci.trafficlights.setPhase(semafori{f},0);

traci.trafficlights.setPhaseDuration(semafori{f},nominali(f));

end

end

end

end

traci.close

Answer 1

[Torsten]

[m,i] = min(vecnorm(veT-mean(veT,2)))

[Marco Carapellese]

thanks for the answer, where should I put that line of code? out of all end? the i that would be saved to me in the workspace, would then be the one in the column most similar to the average? Thank you

[Torsten]

I don't know where to place the command.

Your question was that you have a (34x40) matrix, so you should place the command in your code after the matrix is formed - so most probably out of all at the end. And yes, the "i" refers to the column which is most similar to the average column (if you measure "similarity" by the 2-norm of the difference of the columns with the average column).

[Marco Carapellese]

and then "m" instead what would it correspond to?

[Torsten]

This is the minimum value itself, i.e. the minimum 2-norm of the difference between the columns and the average column.

[Marco Carapellese]

thank you so much!