Re: [Help-glpk] [Fwd: GLPK printing with if and iterative loop]

[Oscar Gustafsson]

Alan,

the following should work:

printf{i in Trainer, j4 in Course4, j5 in Course5, j6 in Course6: 
x4[i,j4] + x5[i,j5] + x6[i,j6] = 0} ...

Regards

Oscar

Andrew Makhorin skrev 2011-02-19 22:26:
> -------- Forwarded Message --------
> From: Alan Zinober<address@hidden>
> To: address@hidden
> Subject: GLPK printing with if and iterative loop
> Date: Sat, 19 Feb 2011 17:27:04 +0000
>
> I need to print the Trainer names only when
>
>        x4[i,j4] + x5[i,j5] + x6[i,j6] = 0
>
> I declare:
>
> set Trainer;           different trainer names
>
> set Course4;         different course names
> set Course5;         different course names
> set Course6;         different course names
>
> var x4{Trainer, Course4}>=0, binary;
> var x5{Trainer, Course5}>=0, binary;
> var x6{Trainer, Course6}>=0, binary;
>
>
> Essentially I need a print statement with the logic of the code below
> but do not know how to set up
> j4 iterated on Course 4, j5 iterated on Course5, j6 iterated on Course6 :
>
> for {i in Trainer}
>
>        printf (if x4[i,j4 iterated on Course4] + x5[i,j5 iterated on
> Course 5]
>                             + x6[i,j6 iterated on Course6] =0 then  "%s
> "),Trainer[i];
>
>        Alan
>
>
>
>
>
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