Hi everyone,
I have a problem in using GAMSCHK. I can not save a file as .GCK. On GAMS web it says “GAMSCHK is a standard part of all GAMS releases. If you do not have it you need to update your system”. I have using GAMS 24 and Windows 7 Enterprise. What can be the problem?
Thank you very much in advance for any help!
Yalin
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Dear Yalin,
you could use this procedure to write the file, and include the
options as described in the gamschk documentattion:
OPTION LP=GAMSCHK;
$onecho > %system.fn%.gck
BLOCKPIC
postopt
$offecho
SOLVE yourmodel using yoursolver operation variable;
hope this helps,
Roger
2014-10-17 18:13 GMT+02:00 Yalin Huang :
Hi everyone,
I have a problem in using GAMSCHK. I can not save a file as .GCK. On GAMS
web it says “GAMSCHK is a standard part of all GAMS releases. If you do not
have it you need to update your system”. I have using GAMS 24 and Windows 7
Enterprise. What can be the problem?
Thank you very much in advance for any help!
Yalin
–
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\
Dear Roger,
Thank you very much! It works now 
Can I ask what does “system.fn” mean?
Yalin
On Monday, 20 October 2014 13:51:05 UTC+2, Roger Cremades wrote:
Dear Yalin,
you could use this procedure to write the file, and include the
options as described in the gamschk documentattion:
OPTION LP=GAMSCHK;
$onecho > %system.fn%.gck
BLOCKPIC
postopt
$offecho
SOLVE yourmodel using yoursolver operation variable;
hope this helps,
Roger
2014-10-17 18:13 GMT+02:00 Yalin Huang :
Hi everyone,
I have a problem in using GAMSCHK. I can not save a file as .GCK. On GAMS
web it says “GAMSCHK is a standard part of all GAMS releases. If you do not
have it you need to update your system”. I have using GAMS 24 and Windows 7
Enterprise. What can be the problem?
Thank you very much in advance for any help!
Yalin
–
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dear Yalin,
the line
$onecho > %system.fn%.gck
writes into the gck file what you put before the next $offecho, so
“system.fn” it is used to write/overwrite the .GCK file when you run
your gams file.
If your gams file name is “filename.gms”, %system.fn% creates filename.GCK;
“system.fn” keeps the filename
hope this answer your question,
Roger
2014-10-22 12:14 GMT+02:00 Yalin Huang :
Dear Roger,
Thank you very much! It works now Can I ask what does “system.fn” mean?
Yalin
On Monday, 20 October 2014 13:51:05 UTC+2, Roger Cremades wrote:
Dear Yalin,
you could use this procedure to write the file, and include the
options as described in the gamschk documentattion:
OPTION LP=GAMSCHK;
$onecho > %system.fn%.gck
BLOCKPIC
postopt
$offecho
SOLVE yourmodel using yoursolver operation variable;
hope this helps,
Roger
2014-10-17 18:13 GMT+02:00 Yalin Huang :
Hi everyone,
I have a problem in using GAMSCHK. I can not save a file as .GCK. On
GAMS
web it says “GAMSCHK is a standard part of all GAMS releases. If you do
not
have it you need to update your system”. I have using GAMS 24 and
Windows 7
Enterprise. What can be the problem?
Thank you very much in advance for any help!
Yalin
–
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Dear Roger,
Thank you very much! Now it is crystal clear
Yalin
On Wednesday, 22 October 2014 13:39:22 UTC+2, Roger Cremades wrote:
dear Yalin,
the line
$onecho > %system.fn%.gck
writes into the gck file what you put before the next $offecho, so
“system.fn” it is used to write/overwrite the .GCK file when you run
your gams file.
If your gams file name is “filename.gms”, %system.fn% creates filename.GCK;
“system.fn” keeps the filename
hope this answer your question,
Roger
2014-10-22 12:14 GMT+02:00 Yalin Huang :
Dear Roger,
Thank you very much! It works now Can I ask what does “system.fn” mean?
Yalin
On Monday, 20 October 2014 13:51:05 UTC+2, Roger Cremades wrote:
Dear Yalin,
you could use this procedure to write the file, and include the
options as described in the gamschk documentattion:
OPTION LP=GAMSCHK;
$onecho > %system.fn%.gck
BLOCKPIC
postopt
$offecho
SOLVE yourmodel using yoursolver operation variable;
hope this helps,
Roger
2014-10-17 18:13 GMT+02:00 Yalin Huang :
Hi everyone,
I have a problem in using GAMSCHK. I can not save a file as .GCK. On
GAMS
web it says “GAMSCHK is a standard part of all GAMS releases. If you do
not
have it you need to update your system”. I have using GAMS 24 and
Windows 7
Enterprise. What can be the problem?
Thank you very much in advance for any help!
Yalin
–
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“gamsworld” group.
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an
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