Clear Filters
Clear Filters

how to sum of column without sum function in a unit metrix

26 views (last 30 days)
x1 = [1 2 3; 4 5 6; 7 8 9];
all =(x1);
summa=0;
count = 0;
for i=1:length(all)
% fprintf("%d\n",i);
summa = 0;
for j = 1:length(all)
summa = summa + all(j);
% fprintf("%d ",j);
end
fprintf("%d ",summa);
end
I want to sum every column without sum function , i tried it but i can't can anyone help me please ?

Accepted Answer

Matt J
Matt J on 21 Sep 2019
summa = summa + all(j,i);
  2 Comments
MD Anower Hossain
MD Anower Hossain on 21 Sep 2019
can you please describe it why you use all(j,i); why j and i ? i used only j .
Matt J
Matt J on 21 Sep 2019
Without this, "i" is not used anywhere. Why did you include a loop over "i" if you are not going to use it?

Sign in to comment.

More Answers (0)

Categories

Find more on Creating and Concatenating Matrices in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!