matrix calculation for matrix

12 views (last 30 days)
mehmet salihi
mehmet salihi on 9 May 2021
Commented: arsenic 陈 on 10 May 2021
hi everyone,
i need urgent help for my code,
i have A=400x5 matrix, and B=0x5 matrix, i want to take the 10th rows(10 20 30 40 50 60) of the A matrix and equal them to the B matrix
for example , B(5,:)=A(50,:) and B(6,:)=A(60,:) goes like this.
please need help.

Accepted Answer

arsenic 陈
arsenic 陈 on 10 May 2021
a = zeros(400,5);
b = ones(1,5)
for i = 10:10:400
a(i,:) = b;
end
  2 Comments
mehmet salihi
mehmet salihi on 10 May 2021
how is going to be the for loop when b=ones(40,5).
this is the difficulity of loop
arsenic 陈
arsenic 陈 on 10 May 2021
o i thoght B=0x5 matrix it turns out to be 40*5

Sign in to comment.

More Answers (1)

John D'Errico
John D'Errico on 10 May 2021
Edited: John D'Errico on 10 May 2021
Simple. One line. No for loop. Nothing hard.
B = A(10:10:end,:);
  3 Comments
mehmet salihi
mehmet salihi on 10 May 2021
ok, that is awesome solution. thank you very much

Sign in to comment.

Categories

Find more on Multidimensional Arrays 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!