Assigned set used as domain !

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Archiver
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Posts: 7876
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Assigned set used as domain !

Postby Archiver » 1 year ago


Dear Experts,

The following is mt sets definition:

sets
s "union of all nodes" /1001*1015,2001*2015,3001*3015,4001*4015,5001*5015,
6001*6015,7001*7015,8001*8015,9001*9015,10001*10015,
11001*11015,12001*12015,13001*13015,14001*14015,15001*15015,
16001*16015,17001*17015,18001*18015,19001*19015,20001*20015/

sc(s) "set must be covered nodes" /1008,1009,2007*2010,3006*3013,4004*4014,5004*5013,6004*6013,
7004*7013,8005*8013,9005*9012,10005*10012,
11005*11012,12005*12012,13005*13012,14005*14012,16004*16013,
17003*17013,18003*18013,19002*19010,20002,20003/

sd(s) "set of depot nodes" /10003,2005,2014,13014,20005/

sn(s)

so(s)

sn(s)= s(s)- sc(s) ;

so(s)= s(s)- sd(s) ;

The problem is that I can't use sn(s) or so(s) as domain, and I don't know why!. If I am not allowed to use sn(s) or so(s) as domain, then what is the benefit of Union, Difference or Intersection in GAMS !!!?
The error i recive is Error 187 Assigned set used as domain


Help me please

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Archiver
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Posts: 7876
Joined: 1 year ago

RE: Assigned set used as domain !

Postby Archiver » 1 year ago


Hi Tino



Your code runs fine if you put a semicolon after so(s).

The union is an assignment, not part of the declaration of sets.

Cheers

Renger







From: gamsworld@googlegroups.com [mailto:gamsworld@googlegroups.com] On Behalf Of Tino
Sent: Wednesday, April 27, 2016 10:34 PM
To: gamsworld
Subject: Assigned set used as domain !



Dear Experts,

The following is mt sets definition:

sets
s "union of all nodes" /1001*1015,2001*2015,3001*3015,4001*4015,5001*5015,
6001*6015,7001*7015,8001*8015,9001*9015,10001*10015,
11001*11015,12001*12015,13001*13015,14001*14015,15001*15015,
16001*16015,17001*17015,18001*18015,19001*19015,20001*20015/

sc(s) "set must be covered nodes" /1008,1009,2007*2010,3006*3013,4004*4014,5004*5013,6004*6013,
7004*7013,8005*8013,9005*9012,10005*10012,
11005*11012,12005*12012,13005*13012,14005*14012,16004*16013,
17003*17013,18003*18013,19002*19010,20002,20003/

sd(s) "set of depot nodes" /10003,2005,2014,13014,20005/

sn(s)

so(s)

sn(s)= s(s)- sc(s) ;

so(s)= s(s)- sd(s) ;

The problem is that I can't use sn(s) or so(s) as domain, and I don't know why!. If I am not allowed to use sn(s) or so(s) as domain, then what is the benefit of Union, Difference or Intersection in GAMS !!!?
The error i recive is Error 187 Assigned set used as domain


Help me please

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Archiver
User
User
Posts: 7876
Joined: 1 year ago

Re: Assigned set used as domain !

Postby Archiver » 1 year ago


Thanks a lot!!

On Thursday, April 28, 2016 at 9:03:08 AM UTC+3, Renger van Nieuwkoop wrote:

Hi Tino



Your code runs fine if you put a semicolon after so(s).

The union is an assignment, not part of the declaration of sets.

Cheers

Renger







From: gams...@googlegroups.com [mailto:gams...@googlegroups.com] On Behalf Of Tino
Sent: Wednesday, April 27, 2016 10:34 PM
To: gamsworld
Subject: Assigned set used as domain !



Dear Experts,

The following is mt sets definition:

sets
s "union of all nodes" /1001*1015,2001*2015,3001*3015,4001*4015,5001*5015,
6001*6015,7001*7015,8001*8015,9001*9015,10001*10015,
11001*11015,12001*12015,13001*13015,14001*14015,15001*15015,
16001*16015,17001*17015,18001*18015,19001*19015,20001*20015/

sc(s) "set must be covered nodes" /1008,1009,2007*2010,3006*3013,4004*4014,5004*5013,6004*6013,
7004*7013,8005*8013,9005*9012,10005*10012,
11005*11012,12005*12012,13005*13012,14005*14012,16004*16013,
17003*17013,18003*18013,19002*19010,20002,20003/

sd(s) "set of depot nodes" /10003,2005,2014,13014,20005/

sn(s)

so(s)

sn(s)= s(s)- sc(s) ;

so(s)= s(s)- sd(s) ;

The problem is that I can't use sn(s) or so(s) as domain, and I don't know why!. If I am not allowed to use sn(s) or so(s) as domain, then what is the benefit of Union, Difference or Intersection in GAMS !!!?
The error i recive is Error 187 Assigned set used as domain


Help me please

--
To unsubscribe from this group and stop receiving emails from it, send an email to gamsworld+...@googlegroups.com.
To post to this group, send email to gams...@googlegroups.com.
Visit this group at https://groups.google.com/group/gamsworld.
For more options, visit https://groups.google.com/d/optout.

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To unsubscribe from this group and stop receiving emails from it, send an email to gamsworld+unsubscribe@googlegroups.com.
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