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Storing Outputs from a Nested Loop with a step

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data = xlsread ('file.xlsx' ,'sheet');
k=15;
for i = 1:16:128
for j= 1:16:128
submat = data(i:i+k,j:j+k);
Uniform(i,j) = (max(max(submat)))/(min(min(submat)))
end
In given code i want to store values i am getting for Uniform vector to 8 by 8 matrix. Problem here is since this has a step of 16 normal methods did not work.
Thnak you

Accepted Answer

Ameer Hamza
Ameer Hamza on 6 Apr 2020
Method 1:
data = xlsread ('file.xlsx' ,'sheet');
k=15;
for i = 1:16:128
for j= 1:16:128
submat = data(i:i+k,j:j+k);
Uniform((i-1)/16+1,(j-1)/16+1) = (max(max(submat)))/(min(min(submat)))
end
Method 2:
data = xlsread ('file.xlsx' ,'sheet');
k=15;
count_i = 1;
for i = 1:16:128
count_j = 1;
for j= 1:16:128
submat = data(i:i+k,j:j+k);
Uniform(count_i,count_j) = (max(max(submat)))/(min(min(submat)))
count_j = count_j + 1;
end
count_i = count_i + 1;
  1 Comment
Akila Udage
Akila Udage on 8 Apr 2020
Thank you very much
i used the second method and it worked. but you have to make sure count_j = 0 before restarting the loop

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