Try this:
for {r in R, s in S, i in 1..fr[r] : x[s, r, i] = 1} printf "x[%s,%s,%i] =
%i\n", s,r,i,x[s,r,i];
Note that if x is a variable, you have to invoke 'solve;' before that line,
or a compilation error will happen: "operand preceding = has invalid type".
2011/11/1 Kasper Tordrup <[email protected]>
> Hi guys
>
> I was trying to make a simple if-then statement as below, but failed with
> the error: "invalid use of reserved keyword if".
> I then tried searching the archive but the closest I got to an answer, was
> that it is not allowed to use if-then like this.
> Anyone know a workaround for that?
> I got a lot of 0-entries in 'x' and i simply just want to print the ones
> that is set to 1
>
> for {r in R} {
> for {s in S} {
> for {i in 1..fr[r]} {
> if x[s,r,i] = 1 then printf "x[%s,%s,%i] = %i\n", s,r,i,x[s,r,i]
> }
> }
> }
>
> Best regards,
> Kasper
>
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>
>
--
*Nilo Cesar Teixeira*
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