Search found 13 matches

by brucemccarl
10 months ago
Forum: Announcements
Topic: Classes in one month
Replies: 0
Views: 4631

Classes in one month

This year I will again be teaching GAMS courses for basic and advanced users. These courses will be offered in early June via ZOOM. Dates, times and content are ● Basic to Advanced GAMS class June 5, 2023- June 12, 2023 (6 sessions of 6 hour days via ZOOM with the weekend off). The course spans from...
by brucemccarl
2 years ago
Forum: Announcements
Topic: Gams classes on line in May
Replies: 0
Views: 6470

Gams classes on line in May

This year we will again be teaching my family of GAMS courses for basic and advanced users. These courses will be offered in May again via ZOOM due to the continuing pandemic. Dates, times and content are • Basic to Advanced GAMS class May 9 - May 13 and May 16 (six 5 1/2 hour sessions each 8-1:30 c...
by brucemccarl
2 years ago
Forum: Modeling
Topic: wrong solution
Replies: 3
Views: 2653

Re: wrong solution

make sure optcr is set to a small number

depending on version you are using it can have a default of 10% meaning it can be off the real solution by 10%

set it to 0.001
option optcr=0.001;
by brucemccarl
2 years ago
Forum: Modeling
Topic: Looped Distribution Model is very slow
Replies: 2
Views: 1986

Re: Looped Distribution Model is very slow

you might look at the speed section of the mccarl guide as it goes into some detail on how to find where the issue is and some ways to fix

ususally this is caused by looking at unnecessary cases
by brucemccarl
2 years ago
Forum: Announcements
Topic: courses beginning may 10
Replies: 0
Views: 2977

courses beginning may 10

This year I will again be teaching my family of GAMS courses for basic and advanced users. These courses will be offered online in May. Dates, times and content are ● Basic to Advanced GAMS class May 10 - May 14 and May 17, 2021 (six 5 1/2 hour sessions each 8-1:30 central). The course spans from Ba...
by brucemccarl
3 years ago
Forum: Modeling
Topic: The Red–Blue transportation problem
Replies: 1
Views: 1623

Re: The Red–Blue transportation problem

look up the section on the
"The conditional alternative: the tuple"

in the McCarl Guide at https://www.gams.com/mccarlGuide/gams_u ... e_2005.htm
by brucemccarl
3 years ago
Forum: Announcements
Topic: Online May course offerings
Replies: 0
Views: 3198

Online May course offerings

As announced in my newsletter (https://www.gams.com/newsletter/mccarl/archive/mccarl_newsletter_no_46.pdf) I will be giving GAMS classes online this May ● Basic to Advanced GAMS class May 10 - May 14 and May 17, 2021 (six 5 1/2 hour sessions each 8-1:30 central). The course spans from Basic topics t...
by brucemccarl
3 years ago
Forum: Modeling
Topic: Error 352
Replies: 5
Views: 4601

Re: Error 352

look for missing semi colons
by brucemccarl
3 years ago
Forum: Syntax
Topic: Running GAMS in phases
Replies: 4
Views: 6977

Re: Running GAMS in phases

save and restart has worked for decades
must be something else