Re: unexpected syntax error when defining a global variable?

[Julien Bect]

Le 21/04/2015 18:43, Nicholas Jankowski a écrit :

simple example:

-------------------
>> segments = 5;
>> p_i(1:segments+1)= 0
p_i =

   0   0   0   0   0   0

BUT

>> segments = 5;
>> global p_i(1:segments+1)= 0
parse error:
  syntax error
>>> global p_i(1:segments+1)= 0

                             ^
-----------------------------------

if the characters spacing is messed up, it's pointing to the (

Is that supposed to happen? I didn't think a global designation was supposed to change anything with syntax. bug?

Nick J.

I don't think you can declare a global and use indexing on it at the same time. Try in two steps:

global p_i
p_i(1:segments+1)= 0;

or

global p_i
p_i = zeros (1, segments + 1);

https://www.gnu.org/software/octave/doc/interpreter/Global-Variables.html#Global-Variables