Creating an array from 1 to n

Hello!

I am trying to create an array of integers from 1 to n [1 2 3 ..... n], where n is a variable that can change.

How should I approach that?

Thank you!

[Guillaume]

This is such an elementary concept in matlab that I would recommend that you go through the free Matlab Onramp and the getting started tutorial in the doc to learn the basics of matlab.

[Luis Benitez Prieto]

It is elemantary but also not. If you look at the accepted answer below. The answer is creating a double array, the numbers inside are integer values, but not of interger format.

I actually was interested in this question because when I want to create an array of integers I do not want to create a double array in the process by doing something like:

uint32([1:10])

Instead, I would like to directly create an integer array. And thats something I have not easily found in the documentation and a legit question in my opinion. Perhaps thats what the poster is asking for.

[Stephen23]

@Luis Benitez Prieto: like this:

V = uint32(1):uint32(10)

V = 1×10

1 2 3 4 5 6 7 8 9 10

class(V)

ans = 'uint32'

Note that just one uint32 input is sufficient to define the output as uint32:

class(uint32(1):10)

ans = 'uint32'

class(1:uint32(10))

ans = 'uint32'

Note that the square brackets in your example are superfluous and misleading:

https://www.mathworks.com/matlabcentral/answers/35676-why-not-use-square-brackets

Answer 1

[Alex Mcaulley]

n = 10 %
1:n
ans =
     1     2     3     4     5     6     7     8     9    10

[Rui]

how can i get it in reverse order also with a 0 in end?

like this

10 9 8 7 6 5 4 3 2 1 0

[Hans Henning Erle]

10:-1:0