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RE: initialize variable in a function

From: Richardson, Anthony
Subject: RE: initialize variable in a function
Date: Thu, 15 Nov 2018 19:00:21 +0000

> Subject: initialize variable in a function
> now i give you a stupid example to understand my problem:
> Main Program:
> global cc;
> cc=(1:2:300);
> for i=1 to 50
>       ret=vv();
> endfor
> function vv
>       global cc;
>       cc(g)=g*2;  ===> how can i initialize g  = 1 ? (only the first time n)
>       g++;
> endfunction
> i want to inizialite the variable "g" with 1...
> if can't initialize it in a function...i give initialize out it
> there is another method? thank

Declare g to be persistent inside function vv().  It will be initialized to 1 
and then retain its previous value between successive calls to vv().  Refer to 
section 7.2 of the manual for more details.

function vv
        global cc;
        persistent g = 1;

Tony Richardson

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