MATLAB: Assign subscrips to vectors

Question

I have 5 vectors yt1, yt2, yt3,yt4,yt5 of size 200*1.

I need to assign subscripts so that I can call the vector I want in side a loop.

Can you please help me with this?

Thanks

Answer 1

You probably want something like

 yt = [yt1, yt2, yt3, yt4, yt5] ;

and then use

 yt(:,k)

in the loop, where k is the loop index. If yt's were not all the same dimension, you could use a cell array:

 yt = {y1, y2, y3, y4, y5} ;

and then use

 yt{k}

in the loop.

If you want to avoid copies/aggregation, just define directly the matrix the cell array instead of defining yt1 to yt5, e.g.

 yt = zeros(200,5) ;     % Prealloc.
 yt(:,1) = ... whatever computation you used to define yt1
 yt(:,2) = ... whatever computation you used to define yt2
 ..

or

 yt{1} = ... whatever computation you used to define yt1
 yt{2} = ... whatever computation you used to define yt2