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# how to count the number of outputs obtained in command window

Asked by Sivakumaran Chandrasekaran on 10 Sep 2012

When i perform a 'if' loop operation, 7 outputs are generated.. the outputs are 2,5,34.. etc., how to find the number of outputs generated.

Jan Simon on 10 Sep 2012

I suggest to post th code. Otherwise we can only guess what you are talking about.

But when I read the question word by word, the answer seem to be easy: The number of generated outputs is 7.

w=t(:,2:5);

v=w(:,2:4);

for i=1:14

```numerator = ismember(v,v(i,:),'rows');
```
```if (sum(numerator)==1)
t(:,6)=0;
i
end
end
```
Walter Roberson on 10 Sep 2012

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## Products

Answer by Azzi Abdelmalek on 10 Sep 2012
Edited by Azzi Abdelmalek on 10 Sep 2012
``` t=xlsread('table.xlsx');
w=t(:,2:5);
v=w(:,2:4);
Output_Number=0
for i=1:14
numerator = ismember(v,v(i,:),'rows');
if (sum(numerator)==1)
t(:,6)=0;
Output_Number=Output_Number+1
end
end```