create vector from each element it had

Hi

Lets say I have a vector that goes: [x y z]

Im trying to create, if possible without a loop, the following vec: [1:x, 1:y, 1:z]

only I don't know who x y or z will ne, or how many elemnts will the first vec have

[TADA]

What's wrong with your solution:

 [1:x, 1:y, 1:z]

?

[Maya Harel]

the problem is that I don't define how many elements the first vec will have, It will ne detarmined randomly

Answer 1

[Stephen23]

Method one: nonzeros:

vec = [x,y,z];
tmp = 1:max(vec);
new = nonzeros((tmp(:)<=vec).*tmp(:)).' % requires >=R2016b

Method two: arrayfun:

new = cell2mat(arrayfun(@(n)1:n,vec,'uni',0))

[Maya Harel]

Thank You very much!!!

Answer 2

[David Hill]

Misread

[Maya Harel]

thank you, but I think I didn't make myself clear, I mean that I want the new vec to go like the following exemple:

oldVec = [3,4,2]

newVec = [1,2,3,1,2,3,4,1,2]