# Put vectors with different length into NaN vectors with allways the same length

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Lutz il 11 Gen 2023
Commentato: Jiri Hajek il 16 Gen 2023
Hey guys,
I have a lot of data vectors wich have a different length. I want to compare them, to do so i have to normalize them. To normalize they need to have the same length.... So i wrote a loop to put the data vectors into a NaN-vector which has allways the same length.
My Problem is that the loop need pretty long depending on the size of 44100 NaN positions:
clc
clear all
Fs = 44100
V1 = NaN(Fs,1)
for i= 1:length(x)
V1(i,1) = x(i,1)
end
Is there an option to do that much faster ? Or is there another way to fill the data vectors with NaN so they have the same length?
Thank you!
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### Risposta accettata

Jiri Hajek il 11 Gen 2023
Modificato: Jiri Hajek il 11 Gen 2023
Hi, the for loop is not required, you can achive the same assignment simply by:
V1(1:length(x),1) = x;
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Lutz il 14 Gen 2023
Thanks for showing me the Forest :D
Jiri Hajek il 16 Gen 2023
You are welcome!

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