replacing a for loop

Hello all,

I have a simple piece of code that I would like to get rid of the for loop. I would appreciate your help.

 for n=1:K
   idx=row((((n-1)*dc)+1):(n*dc));
 end

where as an example K=4, dc=2, and row=[1;3;2;3;1;4;2;4];

Answer 1

[Walter Roberson]

t = reshape(row, dc, []);
idx = t(:,1:K);

[Mnr]

Thank you!