Re: global variables

[Jose]

On 21/01/14 18:39, Michal Studniarek wrote:
> I think the question was if you can define a global variable then change
> its value inside function and to have a new value available outside.
>
> In example:
>
> global x=2;
>
> function x=test()
>   global x;
>   x=4;
> endfunction
>
> Value of global variable x will be still 2. Function operates on global
> var x locally but can not change its value globaly.

Hummm... It will not after you execute the test script. Have a look:

---->
octave:1> global x=2;
octave:2>
octave:2> function x=test()
>  global x;
>  x=4;
> endfunction
octave:3> x
x =  2
octave:4> test;
octave:5> x
x =  4
<----

BR,
J.