Hello,
GAMS is telling me I have too many open parenthesis, but I’ve counted, I’ve changed the type () {} , and I can’t see what I’m doing incorrectly. The lst file shows this:
43 DEM_CONST(t)…
44 -DEMAND(t)
45 =E=
46 -X(t)
47 - V(t)
48 - H(t - 1)$(ORD(t) =G= 2)
**** 8,409
49 + H(t)(ORD(t) =L= 2)
50 ;
I’d like nothing more than for someone to point out an obvious flaw in my code, but if anyone has any ideas whatsoever I’ll take anything. Thanks for the help!
–
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Ms. Jamison,
It’s your lucky day: there is an obvious flaw in your code. You are mixing up the roles of =G= and >=. For example, in this:
dem_const(t)… h(t) + h(t-1)$[ord(t) >= 2) =G= myrhs(t);
the =G= occurs just once and indicates the equation if of the “greater-than-or-equal-to” variety. The =G= is declarative, not an operator. The comparison operator >= is part of an expression evaluated to build the equation, and you could have many such operators in your equation.
-Steve
On Tue, Jun 2, 2015 at 12:22 PM, M Jamison wrote:
Hello,
GAMS is telling me I have too many open parenthesis, but I’ve counted, I’ve changed the type () {} , and I can’t see what I’m doing incorrectly. The lst file shows this:
43 DEM_CONST(t)…
44 -DEMAND(t)
45 =E=
46 -X(t)
47 - V(t)
48 - H(t - 1)$(ORD(t) =G= 2)
**** 8,409
49 + H(t)(ORD(t) =L= 2)
50 ;
I’d like nothing more than for someone to point out an obvious flaw in my code, but if anyone has any ideas whatsoever I’ll take anything. Thanks for the help!
Steven Dirkse, Ph.D.
GAMS Development Corp., Washington DC
Voice: (202)342-0180 Fax: (202)342-0181
sdirkse@gams.com
http://www.gams.com
You are marvelous, thank you!
On Tuesday, June 2, 2015 at 9:26:25 AM UTC-7, M Jamison wrote:
Hello,
GAMS is telling me I have too many open parenthesis, but I’ve counted, I’ve changed the type () {} , and I can’t see what I’m doing incorrectly. The lst file shows this:
43 DEM_CONST(t)…
44 -DEMAND(t)
45 =E=
46 -X(t)
47 - V(t)
48 - H(t - 1)$(ORD(t) =G= 2)
**** 8,409
49 + H(t)(ORD(t) =L= 2)
50 ;
I’d like nothing more than for someone to point out an obvious flaw in my code, but if anyone has any ideas whatsoever I’ll take anything. Thanks for the help!
–
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