Data with names through a loop in vector?

Hello

I try to explain my problem with a simple code. Assuming I have dataset given as below:

z0=0; z1=500; z2=233; z3=677; z4=88; z5=8888; z6=22;

For further calculations, I would like to have all single data in one vector. I can easy write it like this:

z=[z1,z2,z3,z4,z5,z6];

For 6 numbers is this not a problem, but what if I got a set of 1000 such data?

Therefore, I would like to have a loop which creates such a vector automatically. Does anybody have an idea?

Tanks for your hints.

[Azzi Abdelmalek]

where your 1000 variables are saved?

[Boris]

With this 1000, I just wanted specify that It would be also very annoying if I have more then 6 values.

My idea is something like that:

 z=[];
 for i=1:6;
 z=[z,z['num2st(i)]]
 end

Unfortunately, the whole problem looks very easy, but I could nowhere find a solution.

Thanks for help

Answer 1

[Azzi Abdelmalek]

If your data are saved in a mat file

data=load('yourfile')
for k=1:1000
out(k)=data.(sprintf('z%d',k))
end

[Azzi Abdelmalek]

If your data are generated in workspace by any program use:

 z1=200
 z2=330
 z3=199

for k=1:3
  save('tempfile',sprintf('z%d',k));
  data=load('tempfile');
  out(k)=data.(sprintf('z%d',k));
end

[Azzi Abdelmalek]

Boris, try the above code

[Boris]

Great. Learned a lot. Thanks.

Answer 2

[Matt Fig]

Did you create this data? It is best to start over and not create such a mess in the first place..... If possible, I would go back and get the data into a proper form, such as a cell array or structure. Then further manipulations will be easier.

Other than that, please read this FAQ, and DON'T DO IT!

[Boris]

No, I did not create the data. Therefore, I would like to have the data in a proper form and try to create a loop.

Sorry for not following the FAQ properly yet. New here.

[Matt Fig]

That's o.k. What form is the data in? Is it in a .mat file? If so, see Azzi's suggestion. If not, tell us how the data is stored and we will make further suggestions.

[Boris]

I somehow understand your ideas. The thing I want to have is but somehow different.

Okey, stupidly, I write this in the editor:

z1=200
z2=330
z3=199

But I would like to have it like:

z=[200 330 199]

The only thing I can do, is just write every z value in the vector:

z=[z1 z2 z3]

But, as I wrote to Azzi, I would like to do in loop, something like:

 z=[];
 for i=1:3;
 z=[z,z['num2st(i)]]
 end

If I have a .mat file or .txt file, I am able to create an vector/matrix loop wise. But with this simple example, it just did not work.

Hopefully, I pointed out my problem more clear.