# How to increase count for different counters in if loop.

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Alice le 18 Fév 2015
Commenté : Alice le 18 Fév 2015
I'm trying to make a counter during iterations of trials. I've been using the code below. I want count, fillcount and expcount to increase. However fillcount and expcount can only increase when a certain variable (itemtype) is a certain number.
when I run this code count increases but expcount and fillcount don't but I don't know why. All help is greatly appreciated!
a=ones(length(item),1);%vector of 1s for number of experimental pairs
b=2*ones(length(fillerorder),1); %vector of 2s for number of fillers
c=[a;b];
itemtype=c(randperm(numel(c)));%vector of 1s and 2s, 1=experimentalpair 2=filler
fillcount=1;
expcount=1;
count=0;
while count<=9
count=count+1;
if itemtype==1
fillcount=fillcount;
fillcount=fillcount+1 %increase counter by 1
elseif itemtype==2
expcount=expcount;
expcount=expcount+2 %increase counter by 2
end
end
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### Réponse acceptée

A Jenkins le 18 Fév 2015
You are comparing the entire itemtype array to the numbers 1 and 2. Perhaps you want to compare just one element of the array?
if itemtype(count)==1
..
elseif itemtype(count)==2
..
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Alice le 18 Fév 2015
Thank you so much! I knew it was something like that but couldn't for the life of me figure it out! You have saved me days!!

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