Hello everyone,
trying to define arrays with two dimensions, I could not
solve this topic in GMPL:
set ORIG;
set DEST;
set LINKS within {ORIG,DEST};
printf {i in ORIG, j in DEST} "LINKS[%s,%s] = %g \n",i,j,LINKS[i][j];
data;
set ORIG := GARY CLEV PITT;
set DEST := FRA DET LAN WIN STL FRE LAF;
set LINKS :=
(GARY,*) DET LAN STL LAF
(CLEV,*) FRA DET LAN WIN STL LAF
(PITT,*) FRA WIN STL FRE;
end;
This definition brings up this error message:
"LINKS cannot be subscripted"
So my question is: how can I define Links so, that it can be accessed
with this command:
Links[i][j]
Thanks for any comments!
Ralf
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